89 900S poor starting and stalling - Saab 900 Bulletin Board - Saabnet.com
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89 900S poor starting and stalling
Posted by jim [Email] (more from jim) on Sun, 4 Nov 2007 12:52:24
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My daughter's 89 900S (16v of course) with AT suddenly refuses to run. The car has long been a hard starter, but I tuned it up and overall it has run fine, but a bit balky when cold. I replaced the ECU, as there was no voltage to the fuel pump. That is now OK. Replaced the fuel pump (twice, 2nd was bad, put old one back in) but that is running (we can hear it with an ear on it). Saab eng friend checked the temp sensor on head, and its in spec. I replaced the fuel pressure regulator with a 3.0 bar used unit I had (presumably good), to no avail. Could it be the crank sensor? Should I buy a new FPR? Or...?
Car will occasionally start and stumble, briefly. That is it. Any other tests I can conduct? Its been sitting now for a month while myself and a friend (former Saab engineer) try to figure it out. Only thing we accomplished so far was replacing a bad ECU.
"What would Saabnet do?"
Thanks!
posted by 24.231.147...
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