Porsche 911 Problem Reports

Most Reported Porsche 911 Problem Reports

Report A Problem
View:Most ReportedNewestRepairPal Verified

Smoke, oil consumption, and fuel trim issues with various fault codes can be traced to an internal 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.

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.

Valve cover leaks are common.

Due to air leaks at various locations, the Check Engine Light may illuminate.

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.

Wind noise at the front of the car and water leaks at the vent wing are typical problems on Targa models.

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.

An internal transmission problem can cause difficulty engaging or downshifting from second gear. Improved parts are available as of the 1997 model year.
Ring and pinion failure can occur on 4WD versions.

Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.

Abnormal noises from the intermediate shaft area may be signs of impending engine failure, don't wait to get this issue checked out!

A failing mass air flow sensor or EVAP purge valve can cause misfire issues.

The accumulation of moisture at major connectors and control units can cause various ABS/PDAS faults due to corrosion.

 

Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.