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1990 Pontiac Sunbird LE 2.0L Backfires
Backfires on Acceleration & Has Severe Hesitation (Stalls Often) But will run Good if you feather the gas and get the thing moving. I have noticed the timing mark retards to 10 or 15 degrees ATDC during a rapid acceleration and that is when it backfires up the...
FIX posted 11/11/1998
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| VIN | 1G2JB54K1L |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED EMISSIONS |
| Symptoms | Backfires |
| Occurs | Always, on Accel |
| Misc. | Tbi |
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Vehicle Data
1990 Pontiac Sunbird LE
| VIN | 1G2JB54K1L |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED EMISSIONS |
| Symptoms | Backfires |
| Occurs | Always, on Accel |
| Misc. | Tbi |
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