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2008 GMC Yukon XL 1500 SLE 5.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy
Posted to GM Driveability on 6/22/2018 1 Reply

No issues for 2 months after engine replacement, 2 weeks ago customer stopped explained loss of power, no throttle. Then ran fine. No codes, No issues found. Monday customer stopped engine, surge, no power, Sulfur exhaust smell - HOT. Customer left truc...

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  Related Documents & Media  2008 GMC Yukon XL 1500 SLE

 
Message Closed w/FIX

car Vehicle Data

2008 GMC Yukon XL 1500 SLE

VIN 1GKFK16308
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy
OccursIntermittently
Misc.New Engine Complete

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
Message Closed w/FIX

car Vehicle Data

2008 GMC Yukon XL 1500 SLE

VIN 1GKFK16308
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy
OccursIntermittently
Misc.New Engine Complete

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction