2004 GMC Sierra Repair Question
Topics covered: Engine, Sensor, Check engine light.
Mileage: 100,000 miles.
Mileage: 100,000 miles.
Asked on June 21, 2012
P0101 CHECK ENGINE
The check engine light keep reappearing after I erase it sometimes 6 to 8 months after.it is P0101. it runs well and does 'nt take more gaz than before.Is is a k 2500 hd with a 6 liters engine.What could be the problem???????. thanks
Asked by HENRY_15Answer
Replied on June 21, 2012
erasing a code never fixes anything.
101 is a mass air flow circuit issue. you need to have someone monitor the mass air flow sensor under different condition to determine if it is wiring or the sensor itself.
Roy
