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Old 11-21-2016, 10:56 PM   #1
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Join Date: Nov 2016
Location: Los Angeles
Posts: 6
5.3L Mystery

I have a 2005 GMC 1500 4wd with a 5.3L. I'm having a hesitation problem that no one seems to be able to pin point. It only hesitates when it's in drive and i slowly pull away from a stop. All the computers it has been hooked up to say it has a random miss fire. so far i have unplugged all of the o2 sensors with no change, have swapped the maf sensor with no change, and have replaced the crank sensor with no change. beyond the things i've looked at no one seems to have an idea. if anyone has any ideas i'd like to hear them.


Last edited by JamieD; 03-13-2017 at 01:57 AM.
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