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2002 GMC Yukon XL 1500 SLE 5.3L Misfire, MIL Lamp on
Posted to GM Driveability on 2/5/2014 44 Replies

All tune up parts including fuel filter look new and in good condition. It only has misfire on multiple cylinders on fist startup of the day, runs good after warms up. On cold start the short term trims on both cylinders was about 30. After it warms up the sho...

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  Related Documents & Media  2002 GMC Yukon XL 1500 SLE

 
Message Closed w/FIX

car Vehicle Data

2002 GMC Yukon XL 1500 SLE

VIN 1GKFK16T52
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 GMC Yukon XL 1500 SLE

VIN 1GKFK16T52
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected