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1989 Mercury Cougar 3.8L Poor Idle Quality, Poor Fuel Economy, vibration
I am not sure if it is a technical problem or a engine balance prob. The car starts fine, has a bit of a rough idle and is not too bad until you reach about 2200 rpm. Then you feel quite a vibration. Enough that you can feel it in the steering wheel in par...
FIX posted 12/15/1999
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| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl |
| Symptoms | Poor Idle Quality, Poor Fuel Economy, Vibration |
| Occurs | Cold, Hot, Under Load, on Decel, Cruise, About 2200Rpm |
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Vehicle Data
1989 Mercury Cougar
| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl |
| Symptoms | Poor Idle Quality, Poor Fuel Economy, Vibration |
| Occurs | Cold, Hot, Under Load, on Decel, Cruise, About 2200Rpm |
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