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- - Reset computer (https://www.performancetrucks.net/forums/gm-engine-exhaust-performance-21/reset-computer-283152/)

04BlackGmc

Feb 28, 2005 04:45 PM

Reset computer

I took of the - post and even pulled and PCM 1 and 2 fuse and the ECM fuse.
The truck Remembers all the radio stuff but is it relearing the motor stuff now?
Btw everything was pulled for over 1.5 hours.

vortec327

Feb 28, 2005 06:46 PM

i think you have to do this with the key on. Reinsert the fuses with the key on as well. You will here the fuel injection reset.

BigTex

Feb 28, 2005 08:46 PM

The 03+ trucks are different. There is a little different trick, something like pulling the negative batt cable, then turning the ignition to start for 15 seconds or something like that.

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