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LB7 slow runner
AFE stage 2 intake. The Boot right off the filter seems a little worn.. -
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LB7 slow runner
I understand that putting a programmer on it not knowing is a risk. I have never owned a Duramax and have heard that they do run good. After doing research i found that the PPE is a good Programmer for them. Can i check if the waste gate is stuck open? I know smoke tells a "story" so with... -
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LB7 slow runner
It was tuned prior. It still has the aftermarket security system on there which i cant get off too. i was told that the ECM was reset. I dont know what my MAF is reading? how do i know this? -
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LB7 slow runner
I changed the Fuel Filter last week.. Intake filter is clean also -
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LB7 slow runner
I am new to this forum!:hello: I have a 03 LB7. Owned for about 9 months. I recently put a PPE Hot programmer on it. I did this in hope it would help it get off the ground. It has always been slow from the start. When pulling my 4 hours trailer at times i have had to put it in 4wheel low just...