Re: Intense engine vibration on Warm Startup: 1995 2.3 LPT - Saab 9000 Bulletin Board - Saabnet.com
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Re: Intense engine vibration on Warm Startup: 1995 2.3 LPT
Posted by Robert Kaplan (more from Robert Kaplan) on Sat, 26 Jan 2002 23:58:11
In Reply to: Intense engine vibration on Warm Startup: 1995 2.3 LPT, Michael Montagna, Sat, 26 Jan 2002 11:57:29
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I have several ideas, no warranties, express or implied:
1. DI cassette could be going south. Low mileage to fail, but would probably not be the first one to die at 40k. Since the problem is either gas, air or spark, and you smell gas, I am guessing spark. If you know someone else with a 9000, you can borrow their DI cassette for a test run. Also, make sure plugs are gapped to .9 mm and not 1.0 mm or higher.
2. Fuel pump is starting to go, or fuel pressure regulator is malfunctioning.
3. Air Mass Meter (AMM) is failing.
posted by 24.50....
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