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2013 GMC Sierra 2500 HD

//2013 GMC Sierra 2500 HD

2013 GMC Sierra 2500 HD

GMC Sierra 2500 HD

Mileage
168,472
Service Date
3/19/2021
Services Performed
  • OXYGEN SENSOR – Remove & Replace – 4WD One,Left Bank,Front
  • OXYGEN SENSOR – Remove & Replace – 4WD One,Right Bank,Front – [Includes: R&I Fender Liner.]
  • Scanned Vehicle for DTCs, the Following Codes were Found: P0101 – Mass or Volume Air Flow "A" Circuit Range/Performance Problem, P0171 – System too Lean (Bank 1), P0172 – System too Rich (Bank 1), and P0174 – System too Lean (Bank 2) The Mass Air Flow numbers before cleaning were at 6.5-6.6, after cleaning are at 5.7-5.8, fuel trim long term was at -26 before, and 2 after, cleaned the throttle body, the mass air flow, reset the fuel alcohol content, was at 59% before and now 3% after, after second road test no codes were present, the Bank 2 Sensor 2 oxygen sensor is a little lazy, don't like the fronts, the fuel trims are good Recommend both front oxygen sensors to start and then see how the rears look Replaced front O2 sensors and maps look good, rear O2 sensors came back to normal readings
 
Glen S. gave our service a 5 star review on 3/19/2021
2021-03-20T22:04:47+00:00