P0101 CHECK ENGINE

2004 GMC Sierra

Tiny

HENRY_15

June, 21, 2012 AT 1:06 AM

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

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1 Answer

Tiny

ASEMaster6371

June, 21, 2012 AT 1:10 AM

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

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