Most Common Car Issues

Selected parameters

Engine Brake (hp) From
183
Model Year
1999

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MOST COMMON PROBLEMS

TOYOTA 4-Runner 1999

The 1999 Toyota 4Runner SR5 V6 is a robust SUV featuring a 3.4L V6 engine with a power output ranging from 183 to 190 horsepower. This 4WD vehicle is manufactured by Toyota Motor Corporation in Japan and is known for its reliability and off-road capabilities. With a gross vehicle weight rating between 5,001 and 6,000 lbs, the 4Runner SR5 V6 is built to handle both rugged terrains and everyday driving.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA Tacoma 1999

The 1999 Toyota Tacoma is a versatile pickup truck with a V-shaped 3.4L engine, delivering between 183 to 190 horsepower. Featuring an extra-long wheelbase and 4WD capabilities, this truck is built for robust performance. Manufactured by TABC INC. in Fremont, California, the Tacoma Deluxe trim offers a balance of power and reliability. Ideal for those needing a durable and capable vehicle with a gross weight rating of up to 6,000 lbs.

Spec:

Brake System Type
Hydraulic
Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Brake fluid leaks
Over time, hydraulic brake systems can develop leaks in the brake lines, master cylinder, or calipers, leading to reduced braking efficiency.
Worn brake pads
Brake pads wear down with use and need to be replaced regularly to maintain braking performance.
Brake caliper issues
Calipers can seize or become stuck, leading to uneven braking or increased stopping distances.
Master cylinder failure
The master cylinder can wear out or fail, causing a loss of hydraulic pressure and reduced braking power.
Brake rotor warping
Rotors can warp due to excessive heat or stress, leading to vibrations or pulsations when braking.
Brake fluid contamination
Brake fluid can become contaminated with moisture or debris, reducing its effectiveness and potentially causing corrosion in the brake system.
Vacuum booster problems
A failing vacuum booster can reduce the power assist in the brake system, making it harder to press the brake pedal.
Abs system faults
Faults in the Anti-lock Braking System (ABS) can lead to loss of the ABS function, causing the wheels to lock up during hard braking.
Brake light switch failure
A faulty brake light switch can lead to brake lights not illuminating when the brake pedal is pressed, reducing visibility to other drivers.
Engine misfire
The V-shaped 6-cylinder 5VZ-FE engine can experience misfires due to ignition system issues, such as worn spark plugs or faulty ignition coils.
Timing belt wear
The 5VZ-FE engine has a timing belt that needs regular replacement to prevent engine damage.
Oil leaks
Over time, seals and gaskets can wear out, causing oil leaks around the valve covers, oil pan, or other engine components.
Cooling system problems
Issues such as radiator leaks, thermostat failure, or water pump problems can lead to engine overheating.
Fuel injector issues
Clogged or failing fuel injectors can cause poor engine performance and reduced fuel efficiency.
Mass air flow sensor failure
The mass air flow sensor can become dirty or fail, leading to incorrect air-fuel mixture and poor engine performance.
Oxygen sensor failure
A faulty oxygen sensor can cause poor fuel economy and increased emissions.
Throttle body issues
The throttle body can become dirty or malfunction, leading to poor engine response or stalling.
Exhaust manifold cracks
The exhaust manifold can develop cracks over time, leading to exhaust leaks and reduced engine performance.
Transmission shifting problems
The automatic transmission in the 1999 Toyota Tacoma can experience shifting issues due to worn components or fluid problems.
Drive belt wear
The drive belt that powers accessories such as the alternator and power steering pump can wear out and need replacement.
Suspension wear
Components such as shocks, struts, and bushings can wear out, leading to a rough ride and poor handling.
Rust and corrosion
Rust can develop on the frame, body, and undercarriage, particularly in older vehicles or those exposed to harsh climates.
Electrical issues
Problems with the electrical system, such as faulty wiring or failing alternators, can cause various electrical components to malfunction.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a 4WD SUV equipped with a 3.4L V6 engine (5VZ-FE) producing between 183-190 hp. Manufactured by Toyota Motor Corporation in Toyota City, Japan, this luxury trim model offers reliable performance and versatility. With a gross vehicle weight rating from 5,001 to 6,000 lbs, it's designed to handle various terrains and purposes.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a versatile SUV equipped with a 3.4L V6 engine (5VZ-FE) producing between 183 to 190 hp. It features 4WD, a luxury trim, and a wagon body style, making it ideal for both on-road comfort and off-road adventures. Built by Toyota Motor Corporation in Tahara, Japan, this vehicle is designed for durability and reliability.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner SR5 V6 is a robust multi-purpose passenger vehicle with a 3.4L V6 engine producing between 183 to 190 horsepower. Designed with a 4WD drivetrain, it offers excellent off-road capabilities. Manufactured in Toyota City, Japan, this SUV is known for its reliability and durability.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4Runner SR5 V6 is a versatile SUV equipped with a 3.4L V6 engine, producing between 183 to 190 hp. Built in Toyota City, Japan, this 4WD vehicle offers robust performance and reliability. It's designed with a wagon body style and features a water-cooled engine, making it a dependable choice for both on-road and off-road adventures.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner SR5 V6 is a rugged and reliable SUV with a 3.4L V6 engine producing between 183-190 hp. It features a 4WD system and a water-cooled 5VZ-FE engine. Manufactured in Toyota City, Japan, this model is known for its durability and off-road capability.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a 4WD SUV powered by a 3.4L V6 engine with a displacement of 3378 cc, delivering 183-190 hp. Built in Toyota City, Japan, this luxury trim model is designed for versatile, multi-purpose use. Perfect for both urban and off-road adventures, it combines robust performance with Toyota's renowned reliability.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a versatile SUV equipped with a 3.4L V6 5VZ-FE engine, delivering between 183 and 190 horsepower. This 4WD vehicle is built for both on-road comfort and off-road capability. Manufactured in Toyota City, Japan, it offers a luxury trim and can handle a gross vehicle weight of up to 6,000 lbs.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a robust SUV featuring a 3.4L V6 engine with 183 to 190 horsepower. It comes with a 4-wheel drive system, making it versatile for various terrains. Manufactured in Toyota's Tahara Plant in Japan, this luxury trim model is designed for both utility and comfort.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner SR5 V6 is a 4WD SUV equipped with a 3.4L V6 engine (5VZ-FE) producing between 183 to 190 horsepower. Manufactured by Toyota Motor Corporation in Toyota City, Japan, this model falls under Class 1D for gross vehicle weight, with a water-cooled engine and a wagon body style. It's a reliable and versatile multipurpose passenger vehicle known for its robust build and off-road capability.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4Runner SR5 V6 is a versatile SUV powered by the robust 5VZ-FE V6 engine, offering between 183 to 190 horsepower. With a 3.4-liter displacement and a 4WD drive type, it’s designed for both on-road comfort and off-road capability. Manufactured in Toyota City, Japan, this model is part of the RZN/VZN series and features a wagon body style.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a versatile SUV equipped with a 3.4L V6 engine (5VZ-FE) producing between 183 to 190 horsepower. It features a 4WD drivetrain and a luxurious trim, making it suitable for both rugged off-road adventures and comfortable daily drives. Manufactured in Toyota's Tahara plant in Japan, this model combines reliability with performance.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a versatile SUV manufactured by Toyota Motor Corporation in Japan. Equipped with a 3.4L V6 engine producing 183-190 hp and a 4x2 drive type, this vehicle offers reliable performance. It features a luxury trim with a spacious wagon body style, perfect for both city driving and outdoor adventures.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner is a robust SUV equipped with a 3.4L V6 engine, delivering between 183 to 190 horsepower. It features 4WD for versatile driving conditions and has a luxury trim. This multipurpose vehicle is manufactured by Toyota Motor Corporation in Tahara, Japan.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA 4-Runner 1999

The 1999 Toyota 4-Runner SR5 V6 is a robust SUV equipped with a 3.4L V6 engine, generating between 183 to 190 horsepower. With a 4WD drive type and a wagon body style, it offers versatility and off-road capability. Manufactured in Toyota City's Tahara Plant in Japan, this vehicle boasts a strong build and reliable performance.

Spec:

Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Oil leaks
The 5VZ-FE engine is known for developing oil leaks, particularly around the valve cover gaskets and oil pan gasket.
Head gasket failure
This engine can experience head gasket failure, which may lead to coolant mixing with oil and overheating issues.
Timing belt wear
The timing belt in the 5VZ-FE engine needs regular replacement as it can wear out and potentially break, leading to severe engine damage.
Idle control valve issues
Problems with the idle control valve can cause rough idling or stalling in the 1999 Toyota 4-Runner.
Exhaust manifold cracks
The exhaust manifold may develop cracks, leading to exhaust leaks and reduced engine performance.
Throttle body buildup
Carbon buildup in the throttle body can cause poor throttle response and decreased engine efficiency.
Fuel injector problems
Clogged or failing fuel injectors can lead to misfires, poor fuel economy, and reduced engine performance.
Oxygen sensor failure
Faulty oxygen sensors can cause the engine to run rich or lean, affecting fuel efficiency and emissions.
Cooling system issues
Problems with the radiator, water pump, or thermostat can lead to overheating and potential engine damage.
TOYOTA Tacoma 1999

The 1999 Toyota Tacoma Deluxe is a versatile pickup truck built in Fremont, California, by TABC INC. Equipped with a 3.4L V6 engine (5VZ-FE) producing between 183-190 hp, it features a hydraulic brake system and a water cooling system. This 4x2 truck boasts an extra cab and a short wheelbase, designed for a gross vehicle weight rating of 5,001 - 6,000 lbs. Ideal for both work and play, it offers a reliable performance with Toyota's renowned engineering.

Spec:

Brake System Type
Hydraulic
Engine Brake (hp) From
183
Engine Brake (hp) To
190
Engine Configuration
V-Shaped
Engine Manufacturer
Toyota
Engine Model
5VZ-FE
Engine Number of Cylinders
6

Problems:

Brake fluid leaks
Over time, hydraulic brake systems can develop leaks in the brake lines, master cylinder, or calipers, leading to reduced braking efficiency.
Worn brake pads
Brake pads wear down with use and need to be replaced regularly to maintain braking performance.
Brake caliper issues
Calipers can seize or become stuck, leading to uneven braking or increased stopping distances.
Master cylinder failure
The master cylinder can wear out or fail, causing a loss of hydraulic pressure and reduced braking power.
Brake rotor warping
Rotors can warp due to excessive heat or stress, leading to vibrations or pulsations when braking.
Brake fluid contamination
Brake fluid can become contaminated with moisture or debris, reducing its effectiveness and potentially causing corrosion in the brake system.
Vacuum booster problems
A failing vacuum booster can reduce the power assist in the brake system, making it harder to press the brake pedal.
Abs system faults
Faults in the Anti-lock Braking System (ABS) can lead to loss of the ABS function, causing the wheels to lock up during hard braking.
Brake light switch failure
A faulty brake light switch can lead to brake lights not illuminating when the brake pedal is pressed, reducing visibility to other drivers.
Engine misfire
The V-shaped 6-cylinder 5VZ-FE engine can experience misfires due to ignition system issues, such as worn spark plugs or faulty ignition coils.
Timing belt wear
The 5VZ-FE engine has a timing belt that needs regular replacement to prevent engine damage.
Oil leaks
Over time, seals and gaskets can wear out, causing oil leaks around the valve covers, oil pan, or other engine components.
Cooling system problems
Issues such as radiator leaks, thermostat failure, or water pump problems can lead to engine overheating.
Fuel injector issues
Clogged or failing fuel injectors can cause poor engine performance and reduced fuel efficiency.
Mass air flow sensor failure
The mass air flow sensor can become dirty or fail, leading to incorrect air-fuel mixture and poor engine performance.
Oxygen sensor failure
A faulty oxygen sensor can cause poor fuel economy and increased emissions.
Throttle body issues
The throttle body can become dirty or malfunction, leading to poor engine response or stalling.
Exhaust manifold cracks
The exhaust manifold can develop cracks over time, leading to exhaust leaks and reduced engine performance.
Transmission shifting problems
The automatic transmission in the 1999 Toyota Tacoma can experience shifting issues due to worn components or fluid problems.
Drive belt wear
The drive belt that powers accessories such as the alternator and power steering pump can wear out and need replacement.
Suspension wear
Components such as shocks, struts, and bushings can wear out, leading to a rough ride and poor handling.
Rust and corrosion
Rust can develop on the frame, body, and undercarriage, particularly in older vehicles or those exposed to harsh climates.
Electrical issues
Problems with the electrical system, such as faulty wiring or failing alternators, can cause various electrical components to malfunction.
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