Mechanics

GMC SIERRA ENGINE PROBLEM

2001 GMC Sierra • 170,021 miles

Service engine light came on scanner said lean banks 1 and 2 mechanic replaced intake gasket before I pulled out of there parking lot light came back on scanner said same thing he cleared code light came back same reading lean banks 1 and 2. Any ideas
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Guest
November 12, 2012.




Check fuel presure, low pressure will cause this as well as a vacuum leak.

Hmac300
Nov 12, 2012.


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