
1990 Cadillac Fleetwood 4.5L Poor Idle Quality, Hesitation, Misfire
I need a little help on this one. The car has misfire under light load and idle. The block learn at idle is 108 and during cruise it will stay about 120. Will run better under heavier acceleration, and trims will go to 128. Fuel pressure is 32 to 40. The vacuu...
FIX posted 10/20/2004
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Message Closed w/Summary
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VIN | 1G6CB5334L |
Engine | 4.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI |
Symptoms | Poor Idle Quality, Hesitation, Misfire |
Occurs | Cruise, Idle |
Message Closed w/Summary
Vehicle Data
1990 Cadillac Fleetwood
VIN | 1G6CB5334L |
Engine | 4.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI |
Symptoms | Poor Idle Quality, Hesitation, Misfire |
Occurs | Cruise, Idle |