Question about 1995 Porsche 928

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88 928 will start but then it will stall or the tach will bounce the car will rev up and down by it self. can take off a3k rpm then it is fine but may stall out at next stop

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  • jr_lattin Dec 09, 2008

    Hi all. I've got an 87 928 s4, similar problem.. One of my many mechanics says its the mass air flow meter? Prior to my investment, any help would be appreciated..

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It could be the MAF (mass air flow meter), or the ISV (idle stablizer valve. The problem with 928s are all the sensors, meters, and valves that can create the same symptoms when they fail. The Temp II Sensor can create the same idle problems when the car is cold. If you're more of a DIYer, try forums.rennlist.com. It's a great community of Porsche owners. If you go the the 928 forum, you can search threads or just post your problem. The members there are very knowledgeable and helpful.

Posted on Jan 07, 2009

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