'03 Denali

Join Now

'03 Denali

Posted to Technical Discussion Forum on 2/9/2009

2003 Denali has repeat codes of P0101 (MAF Sensor), P0171 and P0174 (right and left bank too lean).

Previous repair history: MAF sensor checks out ok, throttle body was cleaned, PCV was replaced, and fuel filter was replaced. After performing work the light ... Login to read more.

Vehicle Data

2003 GMC Yukon Denali 6.0L

Engine	6.0 L
Trans	4-speed Automatic (Electronic)

Vehicle Data

2003 GMC Yukon Denali 6.0L

Engine	6.0 L
Trans	4-speed Automatic (Electronic)