06 hvac surging

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01-26-2007, 06:16 AM

#16

FMB

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Join Date: Apr 2005

Location: Old Norte Mexico

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Engine Light?

Quote:

Originally Posted by BRKN_Viewfinder

Thanks for the post guys. This is my first winter in my truck and the surging and voltage drop was freakin' me out. It actually tripped my engine light one morning when I left the beast idling to warm up in below freezing temps. Seems fine now, light went out.

First off, welcome to DTR. Go up and click on the link to "User CP" and fill out your 'Signature' so we know what you have.

Tripped your engine light, huh? Did you pull the codes? What were they? BTW, the grid heaters should quit cycling after you hit 18MPH or so. Again, welcome to DTR.