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2003 Chevrolet Express 3500 6.0L Poor Idle Quality, Stall
help!!!! this 3500 series van will not idle, fuel trims are in the negative -15 to -20. it is not the fuel pressure regulate, i pulled the vac line and no fuel at all. the idle will surge up and down and 90 percent of the time it will stall at idle. driving at...
FIX posted 9/22/2008
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Related Documents & Media | VIN | 1GCHC39U53 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | Always |
Trouble Codes
| P0154 | Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Express 3500
| VIN | 1GCHC39U53 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | Always |
Trouble Codes
| P0154 | Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video