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Registered User
Join Date: Jul 2005
Location: Daytona Beach, FL
Posts: 131
Crazy idle hard thingymobobber thing.

Hi. Ive been on here a million times with tons of problems but i keep having this recurring one. At start up my car idles hard, and will easily stall out and die if i dont slightly keep my foot on the gas to properly idle it. I have to quickly put it in gear and get going. If i can drive it for about 10 seconds down a road it goes away and fixes itself to idle either around what it should, or slightly a little more. Its a 5spd 83 944 with 70k. I do need a timing change and i believe one or a few of my injectors has a problem (like its working on only 3 cylinders at start up?). This has been happening every single time like clockwork at startup and then fixing itself pretty quickly. And i can smell the exhaust and gas every time i step outta my car or even when im driving. My car is unhealthy. (its running really rich or lean i guess) Im tired of driving like this. I love my car but i cant keep going through this stuff. Thanks.
1983 Porsche 944
Old 01-06-2006, 06:03 AM
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SoCal Driver's Avatar
Join Date: Feb 2002
Location: Costa Mesa
Posts: 8,587
Replace your vacuum hose fittings 'Y' and 'U' on the lines to the fuel pressure reg and damper. Remove and clean your idle bypass control valve. Check the J boot/tube for hardening and cracks and poor tubing fits.
Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
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Old 01-06-2006, 07:09 AM
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Registered User
Join Date: Aug 2005
Posts: 39
...or possibly the DME temperature sensor needs to be replaced. I guess often when they go bad they can cause a lean condition during initial cold startup/running. Once the engine starts to heat up the problem lessens.
85/1 - I just pushed my trip odometer while driving
Old 01-06-2006, 08:23 AM
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