Re: Hot weather...can fuel vapourise? YES... - Saab 900 Bulletin Board - Saabnet.com
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Re: Hot weather...can fuel vapourise? YES...
Posted by Bill U (more from Bill U) on Sun, 19 Jan 2003 11:49:03
In Reply to: Hot weather...can fuel vapourise?, Aussie, Sun, 19 Jan 2003 06:43:06
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I've never had this problem on a 900, but did have the problem on my 89 9000. This usually means a fuel pressure problem, as a fuel injected engine with the fuel pump delivering proper volume at proper pressure won't normally vapo(u)rlock. On my 9000, it would only happen with fuel levels below 1/2 tank. This was back in 91, and initially no one could diagnose the problem, as the car had a walbro pump, the style without the electric prepump. As it turned out, Saab issued a service notice on this. Check fuel delivery rate and fuel pressure as per Bentely with the car warmed up and see if it meets specs. Insulating the fuel lines would not be the answer.
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