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2007 Subaru Impreza Problems

RepairPal has identified the most common problems with the 2007 Subaru Impreza based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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5
Known Problems

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.

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

The front oxygen (air fuel ratio) sensor element may develop a crack, causing the Check Engine Light to illuminate. Subaru has recalled certain models to replace sensors that may fail. The Subaru service program number is WXW-80, this is not a government mandated recall.

 

The head gasket has a high failure rate due to cooling system problems. Subaru is aware of the problem and has extended the warranty to 8 years/100k miles on many vehicles.

Rear engine oil leaks may occur because Subaru used a plastic oil baffle plate that failed. This issue is often misdiagnosed as a crankshaft rear oil seal leak or an oil pan gasket leak. Subaru released an updated design of the baffle plate made from aluminum that stops the oil leak.