HELP.. Truck will not start after 5.3 swap..
11-26-2010, 03:25 PM
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HELP.. Truck will not start after 5.3 swap..
Okay, trucks a 02 V6 Silvy, 5.3 is from 02 as well, PCM is from a 02 GMC. I changed the VIN, disabled VATS, and flashed a 5.3 tune into it, still no fire.... All 144 grounds are hooked up, crank sensor, cam sensor, etc.... I even took the fuse box from a 5.3 truck and swapped em and still nothing. Im a newb at tuning, so bare with me. This is getting really frustrating, and i dont know where to go from here. Any help is appreciated. Thanks, Eric.
11-26-2010, 09:03 PM
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Well dude I was trying to figure out the same thing I was playing around on my Hp tuners and what might be the security relearn, try going in under flash and try relink vats!
11-28-2010, 06:32 PM
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Well I will tell you that you could have dealership load a tune and relink everything, when my truck was turbo charged. I went back to NA I had the dealership reload a 5.3 tune, I saved it on HP tuners before I put it back to stock and then when I put everything back I loaded the tune and it worked perfect I asked him at the time he said all he needed is a VIN# and about the same year with the motor you want to use, just look on autotrader for VIN's or the vehicle you got the engine from!
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