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2001 GMC Yukon XL 1500 Denali 6.0L Misfire, MIL Lamp on
Posted to GM Driveability on 11/29/2010 6 Replies

Hi guys, got a s.o.b. here, this truck will set misfire codes at 70 mph cruise intermittently. the ses light will flash but no misfire is felt. it sets cyl 1 and 6 misfire codes. we changed the fuel pump and filter per customer request with no change. I have s...

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  Related Documents & Media  2001 GMC Yukon XL 1500 Denali

 
Message Closed w/FIX

car Vehicle Data

2001 GMC Yukon XL 1500 Denali

VIN 3GKGK26U91
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCruise, Intermittently

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0306Cylinder 6 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2001 GMC Yukon XL 1500 Denali

VIN 3GKGK26U91
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCruise, Intermittently

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0306Cylinder 6 Misfire Detected