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1991 Pontiac Grand Am LE 2.3L Poor Idle Quality, runs rich
The engine runs rich at start up and stays rich. Vacuum low at idle, 14psi. and 22psi at 2000rpm. MAP sensor reflect what the vacuum gage reads. Customer brought car in for other repairs and casually stated the idles rough. No vacuum leaks found. Computer will...
FIX posted 9/12/2000
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| VIN | 1G2NE54DOM |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US Fed emissions |
| Symptoms | Poor Idle Quality, Runs Rich |
| Occurs | Always |
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Vehicle Data
1991 Pontiac Grand Am LE
| VIN | 1G2NE54DOM |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US Fed emissions |
| Symptoms | Poor Idle Quality, Runs Rich |
| Occurs | Always |
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