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PeterTarga's Avatar
 
Join Date: Sep 2003
Location: Belgium
Posts: 74
Cold start problem

When i cold start my 78 SC 3.0l european version, it goes to 1200rpm, to drop directly to +/- 300rpm when i loose the ignition key, sometimes after +/-15-20 seconds the iddle speed increase to 950 rpm, sometimes the motor stalls, what can be the reason and how can i troubleshoot it, i'm sure that the air regulator is open.

In hot condiiond or when it was started i don't have the problem.

Thankx,

Peter (beginner)

Old 09-14-2003, 03:41 AM
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Porschephanatic's Avatar
 
Join Date: Jan 2003
Location: Central PA
Posts: 314
Did this problem just suddenly appear? Or has it been a slowly worsening problem? I had those symptoms suddenly appear when I had an air box crack. New set of PMO's are on my "Must Do" list.
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Old 09-14-2003, 05:38 PM
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I noticed the problem a week after i bought the car so i'm not sure that it came suddenly, but when the motor is hot or once started the second time it goes easyer.

Thankx,

Peter

Old 09-15-2003, 12:57 PM
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