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1999 Pontiac Grand Prix GTP 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
This one has got me stumped. Intermitanly the engine will stumble very hard. When this happens, the lights flicker, the a/c compressor turns off, the alternator pattern flat lines, the ECM response by opening the IAC more. Once this happens everything stablize...
FIX posted 11/3/2004
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Related Documents & Media | VIN | 1G2WR1215X |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire |
| Occurs | Intermittently |
| Misc. | Supercharged |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Grand Prix GTP
| VIN | 1G2WR1215X |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire |
| Occurs | Intermittently |
| Misc. | Supercharged |
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