1998 Porsche 911 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1998 Porsche 911
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1998 Porsche 911 ProblemsCheck Engine Light due to faulty oxygen sensor
Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.
Over time, the engine can leak oil at various locations. Early-production vehicles require engine disassembly and modification to resolve leaks at the cylinder heads, oil return tubes, valve covers, timing cover, chain housings, case through bolts, and lines to/from the oil cooler.
1998 Porsche 911 QuestionsAutozone diagnosed these need replacing (2 answers)
Can the old ones be gutted out?
How do you replace the ECU for the convertible top?
Where is the air filter located and how is it changed?
1998 Porsche 911 RecallsConvertible Soft Top Opens In Error
The soft top catch lever may crack and fail, resulting in the top opening in error on its own. Free of charge, dealers will inspect the roof alignment and locking pins and replace both locking motors. Dealers will also improve the warning system that notifies drivers of an improperly closed roof while driving.