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cbmouse cbmouse is offline
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Join Date: Nov 2008
Posts: 12
Unhappy 1990 928 Stalls when hot.

I have a 1990 928 that will stall at idle once the vehicle reaches operating temperature or a little above that. I have replaced all seals on the intake and new bushings for the tuning valve in the intake. The car caught fire once when a technician was trying to find a vacuum leak with brake clean. He replaced everything that was toasted. When I got the car and removed the intake I did not see any signs of fire damage except alot of residue from the dry chemical fire exstingiusher. The car ran good for about a month or about 800 miles. Then it started stalling on me at red lights. I noticed it only happened when the vehicle was at or slightly above operating temperature. Anyone have this stalling issue before. When I start the car up after the stall it fires up and stalls immediatly after. The only way I can keep it running is keeping my foot on the throttle. So the RPM's dont drop low enough to stall. I am having a hard time trying to fix this car and am not too familiar with these cars.
Old 11-11-2008, 12:04 PM
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