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1989 Pontiac Firebird Formula 5.7L Poor Idle Quality, Hesitation, Stall, Misfire
will start but will not stay running untill engine worms up. after it worms up it idles good but when accelerated quickly it back fires through the air intake, and also hesitates. found that when accelerated quickly the timing drops instead of advancing.
FIX posted 2/22/2003
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Related Documents & Media | VIN | 1G2FS2186K |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TPI |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire |
| Occurs | Always, Cold, Hot, on Accel, Idle |
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Vehicle Data
1989 Pontiac Firebird Formula
| VIN | 1G2FS2186K |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TPI |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Hesitation, Stall, Misfire |
| Occurs | Always, Cold, Hot, on Accel, Idle |
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