What needs to be turned off in my tune, I will switching to a y-pipe
with the cats gutted. Its a 99 Z-71 5.3l, cat back exhaust, ultimate pd intake, 03 injectors, 02 computer, and Finish Line 4l60e Level 5 tranny.
I have hptuners, can someone post me a quick howto or guide.
Thanks,
Brian
you will probably just need to turn ur rear O2 sensors off
Daily:
2000 Z71 Tahoe... LPP LT's, O/R Y, 14" magnaflow, TB spacer, MAC CAI, 05 fans, Comp 218/222 .564/.566 112 lsa, Z06 springs, TB stall, and BB tune!
Project:
02 GMC ext cab, 5.3, comp 218/222 112lsa, comp 918's, and a few other goodies, bagged and bodydropped on 24's!
Why not check out the HPTuners forum, they'd be more helpful than us.
2006 SilveradoLittle Black Bitch
There are several things you need to do:
1. DTC's P0136, P0137, P0138, P0140, P0141, P0156, P0157, P0158, P0160, P0161, P0420, P0430 to 3 - no error reported. Leave the SES checked so the test shows complete.
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