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1990 Cadillac DeVille 4.5L Poor Idle Quality, Misfire
customer complained that the car had blown up several mufflers. the problem is worse after it is at operating temps. when putting into gear it runs terrible (cuts out and backfires) also noted when out of gear it idles fine unless accesories are turned on,...
FIX posted 3/20/2000
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Message Closed w/FIX
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| VIN | 1G6CD5332L |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / sefi |
| Emissions | obd1 |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1990 Cadillac DeVille
| VIN | 1G6CD5332L |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / sefi |
| Emissions | obd1 |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Under Load |
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