Most Common Car Issues

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Dynamic Brake Support (DBS)

Engine Brake (hp) From

Engine Configuration

Engine Manufacturer

Engine Model

Engine Number of Cylinders

Model Year

Other Engine Info

MOST COMMON PROBLEMS

VOLVO S90 2023

The 2023 Volvo S90, manufactured at the Daqing Plant in China, boasts a 2.0L B4204TE engine delivering 295 hp. This all-wheel-drive (AWD) passenger car offers a host of standard safety and driver-assist features, including Dynamic Brake Support (DBS), Lane Departure Warning (LDW), and Adaptive Cruise Control (ACC). The hybrid electric vehicle (Mild HEV) is equipped with advanced technologies such as a backup camera, blind spot warning (BSW), and pedestrian automatic emergency braking (PAEB). Designed for comfort and safety, it includes first and second-row curtain airbags and a robust electronic stability control (ESC) system.

Spec:

Dynamic Brake Support (DBS)

Standard

Engine Brake (hp) From

295

Engine Model

B4204TE

Engine Number of Cylinders

Other Engine Info

RPM: 5400

Problems:

Oil consumption

The B4204TE engine may experience higher oil consumption, which can lead to the need for more frequent oil changes.

Turbocharger issues

Turbochargers can wear out or fail, leading to reduced engine performance and the need for expensive repairs.

Timing chain problems

Issues with the timing chain can cause rattling noises and, if not addressed, can lead to severe engine damage.

Piston ring wear

Excessive wear on piston rings can result in loss of compression and reduced engine performance.

Fuel injector problems

Faulty fuel injectors can cause misfires, rough idling, and reduced fuel efficiency.

Cooling system failures

Problems with the cooling system can lead to overheating, which can cause significant engine damage if not promptly addressed.

Engine control unit (ecu) malfunctions

The ECU can experience software or hardware issues that affect engine performance and drivability.

Carbon buildup

Direct injection engines like the B4204TE can suffer from carbon buildup on the intake valves, leading to reduced airflow and performance.

Vibration and noise

Four-cylinder engines can sometimes suffer from balance issues, leading to increased vibration and noise.

Exhaust gas recirculation (egr) valve problems

A malfunctioning EGR valve can cause issues with emissions and engine performance.

VOLVO S90 1998

The 1998 Volvo S90 is a classic sedan equipped with a 2.9L inline-6 engine, producing a smooth and reliable performance. Manufactured in Torslanda, Sweden, it features dual front airbags and an automatic transmission. Known for its robust build and safety, this sedan is a testament to Volvo's engineering excellence.

Spec:

Engine Configuration

In-Line

Engine Manufacturer

Volvo

Engine Model

B6304S

Engine Number of Cylinders

Other Engine Info

w/o EGR, w/air pump, w/OBDII, w/elec. control evap., Motronic 4.4, w/RuLo

Problems:

Oil leaks

Common in older Volvo engines due to degraded gaskets and seals.

Timing belt wear

Regular maintenance needed to prevent belt failure, which can cause serious engine damage.

Coolant leaks

Often due to aging hoses, radiator, or water pump issues.

Vacuum leaks

Can lead to rough idling and poor engine performance.

Ignition coil issues

Can cause misfires and poor engine performance.

Maf sensor failure

A faulty Mass Air Flow sensor can cause issues with engine performance and fuel economy.

Fuel injector problems

Can lead to poor fuel delivery and engine misfires.

Crankshaft position sensor failure

Can cause starting problems and stalling.

Pcv system clogging

Can lead to oil leaks and increased engine pressure.

Exhaust manifold cracks

Can cause exhaust leaks and affect engine performance.

Electrical issues

Older wiring can lead to various electrical problems affecting engine control.