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83 Targa
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CIS Issue
The cars starts fine but after I turn the engine off and restart it it goes to and sits at about 3000 Rpm. I suspect the CIS needs work due to too much fuel being available after shutting the engine off. Any input appreciated.
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03-23-2023, 12:45 PM
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Registered
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Do a fuel pressure test
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03-23-2023, 01:25 PM
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Registered
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Vacuum leak. Probably this leak or another smaller one already persists longer. That could have been "solved" in the past by a "new setup" which covered that first vacuum leak by enrichen the mixture.
Now either a new vacuum leak is now added or the old one is being closed on higher temperatures and mimics its closure by increased idle in the case of a hot restart or sth like that. Only surely detectable by a smoke generator.
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1981 911 SC Coupé, platinum met. (former tin (zinc) metallic), Bilstein shocks, 915/61,930/16,WebCam20/21, Dansk 92.502SD,123ignition distributor with Permatune box as amplifier,Seine Systems Gate Shift Kit,Momo Prototipo. Want to get in touch with former owners of the car. Last registration in US was in 2013 in Lincolnshire/lL. |
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03-23-2023, 03:51 PM
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Targa Red
James Brown
Porsche 911 SC
