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1990 Pontiac Grand Am LE 2.3L Poor Idle Quality, Misfire
Engine has very intermittant missfire when warm. Hydrocarbons very Hi during missfire. Connected timing light to all plug wires & Have steady firing on all cylinders during missfire. Does not miss under load, Mainly at idle & initial acceleration. Added propan...
FIX posted 2/13/1998
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| VIN | 1G2NE14D5L |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | On Accel, Idle, Intermittently |
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Vehicle Data
1990 Pontiac Grand Am LE
| VIN | 1G2NE14D5L |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | On Accel, Idle, Intermittently |
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