Truck has been surging any solutions.

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Nov 11, 2009 | 09:35 PM

#11

BigManBrad

Thread Starter

Diesel Enthusiast

Joined: Dec 2008

Posts: 138

Likes: 2

From: Michigan

I am thinking that the tuner is not doing it, but i am not 100% sure.

Nov 12, 2009 | 03:17 PM

#12

2500ho2

Diesel Enthusiast

Joined: Mar 2007

Posts: 118

Likes: 2

From: edmonton, alberta

I have the same surging problem and fuel pressure does not change. Did the APPS reset and seemed to make it worse so I'm thinking that the APPS is on it's way out.

Nov 12, 2009 | 03:44 PM

#13

blkjack

Diesel Bomber

Joined: Nov 2009

Posts: 1,058

Likes: 53

From: Sanford, Colorado

I did the same reset the apps and nothin doin while i had it apart i "swept the apps with a dvom and didnt see any voltage drops stayed steady all the way through. seems to do it more when hot for me anyway idk the apps are around 250-300

from napa if i remember right. I was going to get one, thought it was going to be the same as a gasser tps 50-60 so i would just throw one on priced it and decided no not yet till i confirm the prob so IDK what to do either.