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2003 GMC Yukon Denali 6.0L MIL Lamp on
after changing the MAF with 4 NEW ones the readings ( trim ) get worse , I put a "test" unit in and it goes to 12-16 % LT 0 % (+-) 4% ST . is there a new PCM calibration for the new MAF units ?? unfortunately my "test " unit fails when hot !
FIX posted 4/19/2011
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GKFK66U73 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2003 GMC Yukon Denali
| VIN | 1GKFK66U73 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video