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Re: First Start Stall; Issue with Fuel Pressure??
Posted by NHWayne [Email] (more from NHWayne) on Tue, 21 Jul 2009 08:22:10
In Reply to: First Start Stall; Issue with Fuel Pressure??, KKahlig, Mon, 20 Jul 2009 08:47:30
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I believe the 2002's idle control is performed by the throttle body as opposed to a separate valve. You might try cleaning the throttle body as well - maybe its a little gummy.
I think that's too much of a drop while sitting - 10psi is really low, but I'm not totally familiar with Saab pressures. When the engine is cold, the cold start logic tries to feed a lot more fuel to enrichen the mix. It sounds like it may be just enough to start, but then the fuel system has to catch up and maintain the enriched mix so you have this blip in the idle right after start - but then again, you said in colder months it doesn't do it when in theory it needs even more enrichment.
Have you cleaned/checked your MAF?
posted by 74.92.4...
Posts in this Thread:
- First Start Stall; Issue with Fuel Pressure??, KKahlig, Mon, 20 Jul 2009 08:47:30
- Re: First Start Stall; Still in a Stall Pattern, KKahlig, Fri, 24 Jul 2009 06:13:43
- Re: First Start Stall; Issue with Fuel Pressure??, simul8guy, Wed, 22 Jul 2009 18:54:51
- Re: First Start Stall; Issue with Fuel Pressure??, NHWayne, Tue, 21 Jul 2009 08:22:10 <-- Viewing This Message
- Re: First Start Stall; Issue with Fuel Pressure??, JimBlake
, Mon, 20 Jul 2009 10:05:25
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