Date: Thu, 26 Oct 2000 19:06:32 GMT
From: "Larry Palmer" <>
Subject: Re: hot start problem

"Spy" <> wrote in message > I have had a particular problem with my Saab 900i (1987) for some > time now. > After running around long enough for the engine to heat up, town > driving in particular, if I stop - say at a petrol station - for > approx. five mins I then have great difficulty starting again, it > either turns the engine without catching or else almost starts > and then cuts out. However, leave the car another few minutes and > it starts up ok. It feels as if there is just no fuel getting > through, but I doubt if this is actuallty the case due to the > high pressure in the fuel system. > > Is there a part of the fuel injection system which causes the > fuel mixture to get leaner at high temp? And could this be the > problem? > > Thanks, > > Donald I had I similar problem when I used gasoline with ethanol added. My car would start and run OK until I let it sit for a short time, 10 minutes or so. It would then start and die or just crank without firing. If it sat another 10 minutes it would start again. My guess was that the alcohol was vaporizing somehow. I was forced to test this cause several times when I needed gas and only the alcohol blend was available. Larry

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