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1977 924 base starts but stalls when hot and idle

 
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muradian  



Joined: 22 Mar 2021
Posts: 2
Location: Simi Valley, Ca

PostPosted: Tue Jun 08, 2021 9:32 am    Post subject: 1977 924 base starts but stalls when hot and idle Reply with quote

My son I are fixing his 1977 Porsche 924. We have replaced the fuel pump and filter; installed air pump/EGR to pass emission; and preformed all the maintenance from spark plugs, oil, oil filter to belts.
Current problem is the car starts well, idle low but stalls when hot and idling like on intersection. It will starts back up again with ignition. The car was tuned by mechanic specialist to pass California smog. Help please
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Johann  



Joined: 07 Aug 2016
Posts: 240
Location: Netherlands

PostPosted: Wed Jun 30, 2021 4:41 am    Post subject: Reply with quote

Did you replace your points and condensor? Also check you gap on the points.
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65sprint  



Joined: 21 Apr 2021
Posts: 31
Location: New York U.S.A.

PostPosted: Wed Jun 30, 2021 5:59 am    Post subject: Reply with quote

Could it be the vacuum lines? I also have a 1977 924 and the vacuum lines are so crusty that they fall apart in my hands. A previous owner also decided to do some vacuum line customization which is all wrong. So I bought the Haynes manual and am rebuilding the whole vacuum system to match what's correct, on page 105 of the Haynes manual.
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