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2015 GMC Yukon SLT 5.3L Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 5/10/2018 21 Replies

Well been at battle with this for too long, need help. This Yukon is setting rich codes both banks, driveabilty is good with no lack of power. To me it's just like an 08 with fuel composition issues. Using MDI and find no reset for that. Fuel trim reset wo...

21 Replies Received (View Replies)

  Related Documents & Media  2015 GMC Yukon SLT

 
Message Closed w/FIX

car Vehicle Data

2015 GMC Yukon SLT

VIN 1GKS2BKC3F
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp On
OccursHot

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2015 GMC Yukon SLT

VIN 1GKS2BKC3F
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp On
OccursHot

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)