2004 Subaru Impreza WRX Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Subaru Impreza WRX

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2004 Subaru Impreza WRX Problems

Engine Misfire Due to Failed Spark Plug Wires

Sometimes the Check Engine Light illuminates because the computer detects misfires. Subaru released an improved spark plug wire set to solve the problem. The ignition coil should also be inspected for carbon tracks or short circuits between the contacts

Check Engine Light Due to Failed Knock Sensor

The Check Engine Light may illuminate because of a failed knock sensor. Although the sensor often tests okay, it can fail intermittently, while the vehicle is being driven.

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2004 Subaru Impreza WRX Questions

Is it hard to fix a cracked manifold? (2 answers)

Car sputters and sounds like it wants to turn off..

Front Hub and Strut replacement (1 answer)

This is from the Subaru dealer:
REPLACED STRUT AND MAYBE HUB ASSEMBLY AT THE
SAME TIME DUE TO THE WHEEL BEARING HAVING
EXCESSIVE PLAY I WOULD NOT WANT TO INSTALLE THE
NEW WHEEL BEARING IN HUB ASSEMBLY TO FIND OUT
THAT IT IS BENT WHICH WOULD THE NREQUIRE A
SECOND NEW WHEEL BEARING F

The dealer wa...

Alternator Belt Replacement (2 answers)

How much should I expect to pay to replace my alternator belt?

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