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2001 GMC Yukon Denali 6.0L Poor Idle Quality, Surge, MIL Lamp on
This came in with a rough idle, misfire, to stall, and mil on when cold and hot. Replaced ignition wires that were scored, replaced both front o2s because they were stuck at 20 to 50 mV all the time. The misfires are gone, it runs great on the road but it has ...
FIX posted 1/5/2014
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Message Closed w/FIX
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23 Replies Received
23 Replies Received
Related Documents & Media | VIN | 1GKEK63U41 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, 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
2001 GMC Yukon Denali
| VIN | 1GKEK63U41 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video