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P0300 Random/Multiple Cylinder Misfire Detected Posted by JustinHiFi [Email] ![]() ![]() In Reply to: need assistance- Po300 driving me poor!!, Steve, Wed, 7 Sep 2011 15:10:28 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Suggest finding a Saab tech with a Tech2. My 50 cents is on a vacuum leak. Perhaps from the brake booster? Check all your vacuum lines etc.
Ask the Saab tech for "airmass deviation from calculated" found in the engine stats or in Total Fuel Correction menu. If value is a negative percentage you have a vacuum leak, which can cause the lopey idle and random misfire code your experiencing.
JustinHiFi
posted by 70.119.23...
_______________________________________ JustinHiFi Strictly Saab Inc. Melbourne, FL Current: -1991 900 S-PG MT -2001 9-5 Wagon AT -2006 9-3 SS AT Past: -1964 96 2-Smoke MT -1967 96 v4 MT -1983 900 Turbo MT -1985 900 SPG MT -1988 9000 Turbo Black MT -1988 9000 Turbo White AT -1990 900 SPG Red MT -1990 900 SPG Black MT -1991 9000 Turbo MT -1991 900 SPG Red MT -1992 9000 Griffin AT -2000 9-5 Aero Sedan MT -2001 9-5 Aero Wagon MT -2008 9-3 2.0T Sedan AT
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