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1998 Pontiac Trans Sport Montana 3.4L MIL Lamp on
Customer complaint SES light on runs ok. Latest PCM calibration, does not require update. At idle in closed loop long term fuel trim -21%. This is a long time customer (bosses father) buys his fuel here. I am out of ideas I sure hope someone has ran into this....
FIX posted 1/1/2005
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Related Documents & Media | VIN | 1GMDU03E1W |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/Summary
Vehicle Data
1998 Pontiac Trans Sport Montana
| VIN | 1GMDU03E1W |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Video