Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.
1999 Porsche 911 Problem Reports
Newest 1999 Porsche 911 Problem Reports
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.
Engine oil leaks can occur at the rear main seal and/or intermediate support cover o-ring; a revised seal is available. A careful diagnosis with proper tools is necessary to verify dimensional accuracy of the crankshaft to engine block.
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.