03 5.3 what needs to be removed
03 5.3 what needs to be removed
Depends on what they changed. Did they get aggressive with the timing?
Usualy its just changing stoich and a slight tune/timing touchup.
2000 Regal GS ~ 3.25 Pulley ~ Headers ~ 3"ex ~ 1.85 Rockers
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If you mean you have a flex fuel vehicle and want to eliminate that, go to the base afr table and put in the correct base afr for your fuel all the way across the board. The system will no longer be able to change afr based on info from the flex fuel sensor.Originally Posted by FOSTER21
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