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2006 GMC Envoy SLE 4.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 4/26/2010 7 Replies

Good morning,

I have an '06 Envoy here that when cold intermittently it will stall, no power, backfire in intake, misfire, MIL illuminated. Here is the story, the MIL has been illuminated for over a year, she has had the vehicle to several places who accordin...

7 Replies Received (View Replies)

  Related Documents & Media  2006 GMC Envoy SLE

 
Message Closed w/FIX

car Vehicle Data

2006 GMC Envoy SLE

VIN 1GKET16S46
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, MIL Lamp On
OccursCold, Intermittently
Misc.New Delphi Fuel Pump

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2006 GMC Envoy SLE

VIN 1GKET16S46
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, MIL Lamp On
OccursCold, Intermittently
Misc.New Delphi Fuel Pump

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0300Multiple Misfire Detected