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1991 Buick Park Avenue 3.8L Poor Idle Quality, Surge
This vehicle has been in several times for surge and each time a component has checked bad and been replaced. Confirmed long crank and rough idle but unable to duplicate surge when driving. This last time the PRNDL sw is intermittent and haven't been able to c...
FIX posted 4/16/2001
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Message Closed w/FIX
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| VIN | 1G4CW53L5M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD I |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Always, Cold, Hot, Idle, After a Hot Soak |
| Misc. | Prom Id 9994 |
Trouble Codes
| 31 | PRNDL Switches |
| 66 | A/C Freon Low |
Message Closed w/FIX
Vehicle Data
1991 Buick Park Avenue
| VIN | 1G4CW53L5M |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD I |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Always, Cold, Hot, Idle, After a Hot Soak |
| Misc. | Prom Id 9994 |
Trouble Codes
| 31 | PRNDL Switches |
| 66 | A/C Freon Low |
Video