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1991 Pontiac Grand Prix STE 3.4L Excessive Emissions, Poor Idle Quality, Surge, Stall
The Tune-up on this vehicle is fresh. We have verified that the knock sensor is functioning through the tech 1. It has an intermittent code 43 which may come and go several times on the average test drive. When the vehicle gets to approximately 195 degrees it ...
FIX posted 11/12/2001
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G2WT54X3M |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MPI |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall |
| Occurs | Hot, on Decel, Idle |
Trouble Codes
| 43 | ESC Spark Control Knock Sensor |
Message Closed w/FIX
Vehicle Data
1991 Pontiac Grand Prix STE
| VIN | 1G2WT54X3M |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / MPI |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall |
| Occurs | Hot, on Decel, Idle |
Trouble Codes
| 43 | ESC Spark Control Knock Sensor |
Video