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1987 porsche 924s crank no start..vacuum leak?

 
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ggrecian  



Joined: 20 Oct 2013
Posts: 29
Location: Pa
PostPosted: Mon Dec 16, 2013 9:31 am    Post subject: 1987 porsche 924s crank no start..vacuum leak? Reply with quote
I have been troubleshooting a crank no start issue for over 2 months..all started when i changed intake manifd gaskets to smooth out a mis caused by a vacuum leak at manifold gasket.i have replaced more parts than i care to mention.dme bench tested good at ecu doctors.the small "s" hose going from the idle control valve to the intake manifold has become kinked limiting airflow.would that cause a crank no start?
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edredas  



Joined: 09 Dec 2004
Posts: 861
Location: Charlotte, NC
PostPosted: Tue Dec 17, 2013 1:25 am    Post subject: Reply with quote
No, it shouldn't. While, a vacuum leak will keep the engine from starting, it doesn't matter if a hose is pinched. In that case, it will just pull more air across the vane. All that matters is that the air is metered.
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