Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.
Problems for specific Porsche 911 years:
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Newest reported 2002 Porsche 911 problems
Due to air leaks at various locations, the Check Engine Light may illuminate.
Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal leak at the oil separator.
Various fuel trim and oxygen sensor limit fault codes can be traced to an internal vacuum leak at the oil separator.
A small leak in the coolant reservoir can cause persistent coolant loss. To ensure engine longevity, coolant loss and overheating issues need to be resolved. Out technicians tell us the proper coolant fill procedure must be followed when refiling the cooling system.
Abnormal noises from the intermediate shaft area may be signs of impending engine failure, don't wait to get this issue checked out!
Pay close attention to warning lights and have the brakes inspected regularly—immediately address any brake problems. Hard driving habits will cause excessive brake pad and rotor wear.
If engine misfiring, rough running, or fuel consumption issues are not resolved quickly, the catalytic converter can overheat and fail.