Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.
Problems for specific Porsche 911 Turbo years:
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Repairpal verified 2003 Porsche 911 Turbo problems
Engine oil leaks may develop from the valve cover gaskets. This type of leak is most associated with a burning type smell from the engine area.
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.
An internal transmission problem can cause difficulty engaging or downshifting from second gear. Improved parts are available as of the 1997 model year.