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9000 top speed compares to dead pinto - need help
Posted by Micah (more from Micah) on Fri, 21 Mar 2003 14:32:10
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My 1990 Saab 9000 2.3 DI seems to be nonfunctional. I was driving at 35mph and it suddenly just died. I have checked air, fuel, and spark. Spark is good, fuel is being pumped into fuel return line just fine, and all air lines are clean (originally wondered if it could be slush in the air lines). Since then I suspected either a timing chain or ECU. I plugged a test light into the molded injector connector. That showed power getting to that point (does this confirms that the ECU is functioning normally)? I am now wondering what else I can check to figure out what is the problem. As far as the timing chain goes, it sounds like the entire engine is turning when the engine is cranked (sounds normal). I am stumped. I have tried disconnecting the ECU on a 1989 900 and I can duplicate the same symptoms. Engine sounds healthy but is not firing. I still think it is a fuel problem but am not sure.
Please help me figure this out. I don't want to put the 9000 next to the pinto out back :-(
Thanks for the ideas,
Micah
1990 Saab 9000 2.3
posted by 66.250.6...
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