2006 Subaru Impreza WRX Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2006 Subaru Impreza WRX

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2006 Subaru Impreza WRX
$
196
to $
415
2006 Subaru Impreza WRX
$
401
to $
665
2006 Subaru Impreza WRX
$
1,295
to $
2,470
2006 Subaru Impreza WRX
$
287
to $
1,218
2006 Subaru Impreza WRX
$
1,067
to $
2,335

2006 Subaru Impreza WRX Problems

Air Pump Valve

The air pump rusts out causing the the valves to get stuck open or closed. This appears to happen more frequently around wet areas (snow or humid). There are two valves; for the first one all you need to remove is the inter-cooler, the second valve is between the intake manifold and engine block.

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.

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

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