2015 GMC Yukon SLT 5.3L Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on
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...
FIX posted 5/16/2018
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Message Closed w/FIX
Vehicle Data2015 GMC Yukon SLT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2015 GMC Yukon SLT
VIN | 1GKS2BKC3F |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp On |
Occurs | Hot |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |