Date: Fri, 05 Aug 2005 22:04:48 +0100
From: Colin Stamp <col.dustbinnospamp.plus.com>
Subject: Re: 2001 9-3 starter problems


On 5 Aug 2005 10:17:44 -0700, "seattlejay" <jgreene206nospamail.com> wrote: >Thanks Papa. I actually did leave the car with them, and the service >manager did take it home overnight. But because the problem is so >intermittent, he wasn't able to re-create it. It's frustrating because >when it happens next time, I'll bring it in and they won't be able to >re-create it then either. As I mentioned, it's only happened four times >in the last eight months. So it's hard to re-create. >I've been reading some other Saab sites and my problem sounds similar >to one I've seen described elsewhere. The problem in that case was a >failure of a check valve located in the top of the fuel pump. >Evidently, the check valve in the fuel line stuck open causing lack of >fuel pressure. And the problem occured after the car had been sitting >for a while or overnight. The fuel pressure leaked down causing the >fuel pump to have to work very hard to push the fuel from the tank to >the fuel rail. They say it's similar to vapor lock but not quite. The >solution, in that case, was to replace the fuel pump check valve. Does >that sound like it could be the problem here? No. That wouldn't prevent the engine from cranking. It would just fail to fire. If it was mine, I'd start putting in some temporary status lights so I could tell how far the starter signal is getting. I'd probably start with one on the starter solenoid terminal and one on the Ignition switch start terminal. Then, next time it happens, you'll get a little bit more info from the lights. It'll be a long job, I'm afraid. Cheers, Colin.

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