Check engine flash on high boost upshift - Saab 900 Bulletin Board - Saabnet.com
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Check engine flash on high boost upshift
Posted by KTurnerr [Email] (more from KTurnerr) on Fri, 23 Sep 2005 06:41:56
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I have an interesting problem that I am looking for opinions on... whenever I am accelerating hard, the check engine light will blink once in between changing gears some times. I am assuming it is a mix condition but it happens when I lift slighty to change gears and not while accelerating at wot or near wot... any ideas
as far as the car goes it is a '86 spg w/ 280k it has good compression, good amm/new O2, clean injectors and stock fpr. I have done an AID mod (11BTD underpressure) and don't have any vacumn leaks and 9000 fMIC. The APC works fine and will cut back at half red and wot but not at half red (my gauge only goes to 15psi) and 90% throttle. The APc is from a 90 spg and I have actually turned it down (it was factory before that).
Am I just at the limit of the stock fuel system, or is there something I am missing? I haven't tried to increase boost and base boost is set at 6 psi. Thanks
-KTurner
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