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1990 Cadillac DeVille 4.5L Poor Idle Quality, Surge, Misfire
Vehicle will idle rough (like a misfire) at stop lights. When throttle is press to raise idle the problem goes away. It can also be felt sometimes under steady throttle. Once also while accelerating it was severe but cleared up when throttle was pressed to wid...
FIX posted 7/14/1998
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Message Closed w/FIX
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| VIN | 1G6CD55333 |
| Engine | 4.5 L / 8 cyl |
| Symptoms | Poor Idle Quality, Surge, Misfire |
| Occurs | Under Load, Cruise, Idle, Intermittently |
Message Closed w/FIX
Vehicle Data
1990 Cadillac DeVille
| VIN | 1G6CD55333 |
| Engine | 4.5 L / 8 cyl |
| Symptoms | Poor Idle Quality, Surge, Misfire |
| Occurs | Under Load, Cruise, Idle, Intermittently |
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