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2001 Chevrolet Blazer LS 4.3L MIL Lamp on
I don't know what's making it run so rich; vehicle sets codes P0172 & P0175 (rich banks 1&2). When codes and fuel-trim are reset, it only takes 15-30 seconds before fuel trim is -13%. O2 sensors are sweeping OK even as fuel trim is dropping. Air intake system ...
FIX posted 7/28/2005
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GNDT13W01 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2001 Chevrolet Blazer LS
| VIN | 1GNDT13W01 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video