1999 Porsche 911 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Porsche 911

1999 Porsche 911 Problems

Rear Main Seal/Intermediate Support Cover O-ring may Leak Oil

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.

Misfire due to failed mass air flow sensor or failed purge valve
A failing mass air flow sensor or EVAP purge valve can cause misfire issues.
Check Engine Light due to cam tensioner/timing issues

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

See More Problems (12)

1999 Porsche 911 Questions

Cap was not tighten correctly on the coolant tank, coolant leaked onto engine. (2 answers)

The mechanic did not tighten the cap on the coolant tank, hot coolant, steam came out, runs all over the place, and now my car runs really bad, it want start. Can you explain what happen?

How do you manually open engine cover for 1999 Porsche 911. (1 answer)

Where is engine cover manual release?

my alarm is malfunctioning, often going off on its own- (1 answer)

car has 145000 miles. recently alarm malfunctioning and emitting lite on dash not appearing at all.

See More Questions (8)

1999 Porsche 911 Recalls

Recall 00V109000
VEHICLE DESCRIPTION: PASSENGER VEHICLES. INCORRECT PROGRAMMING OF THE ELECTRONIC LOGIC UNIT CAN CAUSE AN INCORRECT FUEL LEVEL.

See More Recalls (1)

1999 Porsche 911 Reviews

CLASSY AWESOME MONGREL BEAST.I have a 996 99'.electrifying in first,slingshot to the cosmos. allround charisma. love it! js Sydn.Australia.

See More Reviews (1)