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International Automotive Technicians Network
2006 GMC Envoy XL Denali 5.3L MIL Lamp on, Mis-fire
Posted to GM Driveability on 2/17/2011 8 Replies

Good morning tech's:

2006 GMC Envoy XL 4.2L inline six cylinder.(not a Denali) came in with CEL. Ran codes with SOLUS-Pro scan tool. [...] is the one I can't solve. I have a intermittent misfire on cyl # 4 & #6. I replaced all six spark plugs. Still had the s...

8 Replies Received (View Replies)

  Related Documents & Media  2006 GMC Envoy XL Denali

 
Message Closed w/FIX

car Vehicle Data

2006 GMC Envoy XL Denali

VIN 1GKET16S26
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Mis-Fire
OccursIntermittently
Misc.Envoy Xl

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0463Fuel Level Sensor Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

2006 GMC Envoy XL Denali

VIN 1GKET16S26
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Mis-Fire
OccursIntermittently
Misc.Envoy Xl

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0463Fuel Level Sensor Circuit High Voltage