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1991 Pontiac Grand Prix 3.4L Poor Idle Quality, Cuts out, Stall, Misfire
The vehicle seems to run OK until operating temperature is reached, than when vehicle warms up it starts to surge at idle getting progressively worse until the engine stalls. The vehicle will restart immediatly without any problems. When the engine starts ...
FIX posted 1/25/1999
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Message Closed w/FIX
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| VIN | 1G2WP11X3M |
| Engine | 3.4 L / 6 cyl |
| Emissions | OBDI |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, Misfire |
| Occurs | Hot, Idle |
| Misc. | 3.4L Dohc |
Message Closed w/FIX
Vehicle Data
1991 Pontiac Grand Prix
| VIN | 1G2WP11X3M |
| Engine | 3.4 L / 6 cyl |
| Emissions | OBDI |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, Misfire |
| Occurs | Hot, Idle |
| Misc. | 3.4L Dohc |
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