2011 GMC Yukon
Mileage
171,899
Service Date
1/8/2024
Services Performed
- Technician checked the engine light, scanned the PCM and found code P0171, P0174 fuel system too lean. P0521 engine oil pressure sensor performance. Checked the fuel system for lean condition, monitor the data stream, checked the freeze frame, checked the sensor, fuel system, intake and exhaust systems and found the MAF sensor is bad. Needs MAF sensor and needs oil pressure sensor. Customer authorized to replace both by the phone 916-509-0254
- Replaced MAF sensor
Mary G. gave our service a 5 star review on 1/9/2024
