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Most Common Car Issues

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Model
Impreza
Model Year
2004

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Engine Model
Make

MOST COMMON PROBLEMS

SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan offering a 2.5L engine with All-Wheel Drive, making it ideal for spirited driving and challenging conditions. With a manual 6-speed transmission, this vehicle provides an engaging driving experience. It features safety elements like front and side airbags for the driver and passenger, ensuring enhanced protection on the road. Built by Subaru Corporation under the trusted name of Fuji Heavy Industries, it embodies Japanese engineering excellence.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a performance-oriented sedan known for its robust 2.5-liter engine and all-wheel-drive system. With a manual 6-speed transmission, it offers an engaging driving experience. Safety features include front and side airbags for the driver and passenger. Produced by Subaru Corporation, this model is a favorite among car enthusiasts for its blend of speed and practicality.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan equipped with a 2.5L engine and AWD, offering exceptional handling and performance. Manufactured by Subaru Corporation at Fuji Heavy Industries, this model features a manual 6-speed transmission. Safety is prioritized with front and side airbags for the driver and passenger. This vehicle is ideal for those seeking a blend of sporty performance and everyday practicality.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan featuring a 2.5L engine and a 6-speed manual transmission. It boasts all-wheel drive and includes safety features such as front and side airbags for the driver and passenger. Manufactured by Subaru Corporation, this model is designed for performance and reliability.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan with a 2.5L engine and all-wheel drive. It features a manual 6-speed transmission and comprehensive safety with front and side airbags for both driver and passenger. Manufactured by Subaru Corporation, this model embodies performance and reliability.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust AWD sedan featuring a 2.5L engine with a manual 6-speed transmission. Manufactured by Subaru Corporation and built by Fuji Heavy Industries, this model includes comprehensive safety features like front and side airbags for the first row. With a gross vehicle weight rating under 6,000 lbs, it's a nimble yet powerful passenger car.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan featuring a 2.5L engine and AWD, designed for driving enthusiasts. With its manual 6-speed transmission and comprehensive safety features, including airbags for both driver and passenger, it promises both performance and security. Manufactured by Subaru Corporation in Fuji Heavy Industries, this model is a classic blend of power and reliability.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza WRX is a robust sedan featuring a 2.0L turbocharged engine and all-wheel drive. With a manual 5-speed transmission, it offers a thrilling driving experience. Safety is prioritized with front and side airbags for the driver and passenger. Built by Subaru Corporation, this model is a blend of performance and reliability.

Spec:

Problems:

Head gasket failure
The 2004 Subaru Impreza is known for issues with head gasket failure, which can lead to coolant leakage, engine overheating, and significant repair costs.
Timing belt issues
The timing belt in the 2004 Impreza can wear out or break, which may cause severe engine damage if not replaced at recommended intervals.
Oil leaks
This model is prone to oil leaks from the valve cover gaskets and oil pan, leading to low oil levels and potential engine damage if not addressed.
Wheel bearing wear
Many owners report premature wear of the wheel bearings, which can cause noise and affect the handling of the vehicle.
Clutch problems
For manual transmission models, the clutch may wear out faster than expected, leading to slipping or difficulty in shifting gears.
Rust
The 2004 Subaru Impreza may experience rust, particularly in areas with salted roads during winter, affecting the structural integrity of the vehicle.
Suspension issues
Worn-out suspension components, such as struts and bushings, can lead to a rough ride and decreased handling performance.
Check engine light
Various sensor issues, such as oxygen sensor or mass airflow sensor failures, can trigger the check engine light and affect engine performance.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan featuring a 2.5L engine with all-wheel drive and a 6-speed manual transmission. This model is built by Subaru Corporation and offers advanced safety with front and side airbags for both driver and passenger. Perfect for those who value performance and safety in a compact, sporty package.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan featuring a 2.5L engine and AWD. With a manual 6-speed transmission, it's designed for performance and control. Safety is prioritized with front and side airbags for the driver and passenger. Manufactured by Subaru Corporation, this car is built for both reliability and excitement on the road.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan featuring a 2.5L engine with all-wheel drive. With a manual 6-speed transmission and comprehensive airbag coverage, this vehicle balances performance and safety. Built by Fuji Heavy Industries, it offers a sturdy and reliable driving experience.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza WRX is a versatile AWD wagon powered by a 2.0L turbocharged engine. With a manual transmission and a robust safety package, including front and side airbags for the first row, it's built for both performance and safety. Ideal for those seeking a reliable and sporty driving experience.

Spec:

Problems:

Head gasket failure
The 2004 Subaru Impreza is known for issues with head gasket failure, which can lead to coolant leakage, engine overheating, and significant repair costs.
Timing belt issues
The timing belt in the 2004 Impreza can wear out or break, which may cause severe engine damage if not replaced at recommended intervals.
Oil leaks
This model is prone to oil leaks from the valve cover gaskets and oil pan, leading to low oil levels and potential engine damage if not addressed.
Wheel bearing wear
Many owners report premature wear of the wheel bearings, which can cause noise and affect the handling of the vehicle.
Clutch problems
For manual transmission models, the clutch may wear out faster than expected, leading to slipping or difficulty in shifting gears.
Rust
The 2004 Subaru Impreza may experience rust, particularly in areas with salted roads during winter, affecting the structural integrity of the vehicle.
Suspension issues
Worn-out suspension components, such as struts and bushings, can lead to a rough ride and decreased handling performance.
Check engine light
Various sensor issues, such as oxygen sensor or mass airflow sensor failures, can trigger the check engine light and affect engine performance.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a robust sedan equipped with a 2.5L engine and an all-wheel-drive system. Manufactured by Subaru Corporation at Fuji Heavy Industries, this vehicle features a 6-speed manual transmission and comprehensive safety including front and side airbags for both driver and passenger.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza WRX Wagon is an all-wheel-drive vehicle powered by a turbocharged 2.0L engine. It features a 4-speed automatic transmission and offers essential safety with front and side airbags for the driver and passenger. Built by Subaru Corporation at Fuji Heavy Industries, this versatile wagon blends performance and practicality in a compact, yet spacious design.

Spec:

Problems:

Head gasket failure
The 2004 Subaru Impreza is known for issues with head gasket failure, which can lead to coolant leakage, engine overheating, and significant repair costs.
Timing belt issues
The timing belt in the 2004 Impreza can wear out or break, which may cause severe engine damage if not replaced at recommended intervals.
Oil leaks
This model is prone to oil leaks from the valve cover gaskets and oil pan, leading to low oil levels and potential engine damage if not addressed.
Wheel bearing wear
Many owners report premature wear of the wheel bearings, which can cause noise and affect the handling of the vehicle.
Clutch problems
For manual transmission models, the clutch may wear out faster than expected, leading to slipping or difficulty in shifting gears.
Rust
The 2004 Subaru Impreza may experience rust, particularly in areas with salted roads during winter, affecting the structural integrity of the vehicle.
Suspension issues
Worn-out suspension components, such as struts and bushings, can lead to a rough ride and decreased handling performance.
Check engine light
Various sensor issues, such as oxygen sensor or mass airflow sensor failures, can trigger the check engine light and affect engine performance.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is a high-performance sedan with a 2.5L engine and all-wheel drive. Manufactured by Subaru Corporation, this model features a 6-speed manual transmission and advanced safety with front and side airbags for the driver and passenger. Ideal for enthusiasts seeking a blend of power and practicality.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
SUBARU Impreza 2004

The 2004 Subaru Impreza STi is an AWD sedan powered by a 2.5L engine. It features a manual 6-speed transmission and offers front and side airbags for the 1st row. This model is known for its performance and safety, manufactured by Subaru Corporation under Fuji Heavy Industries.

Spec:

Engine Model
Sti

Problems:

Head gasket failure
The 2004 Subaru Impreza STi is known for head gasket issues, often leading to coolant and oil mixing, overheating, and engine damage.
Turbocharger failure
The turbocharger can fail due to oil starvation, poor maintenance, or excessive wear, leading to reduced engine performance and power loss.
Rod bearing failure
The engine's rod bearings can wear out prematurely, causing knocking noises, loss of oil pressure, and potentially catastrophic engine failure.
Oil consumption
Some 2004 Subaru Impreza STi engines consume oil at a higher rate, which can lead to low oil levels and potential engine damage if not monitored closely.
Timing belt issues
The timing belt can wear out or break, leading to valve damage and severe engine malfunction if not replaced according to the maintenance schedule.
Fuel injector problems
Fuel injectors can become clogged or fail, causing poor engine performance, misfires, and reduced fuel efficiency.
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