need help please

Turbocharged400sbc

3800 & 4T80E > ALL
TCG Premium
Jun 16, 2007
32,642
16,103
hangover park IL
if your o2 is functioning correctly and the maf sensor thermisters are clean it will be adjusting the fuel trims to where they need to be for stoic at almost all part throttle conditions. at higher throttle/PE enable the settings would be as they are but it will still adjust those measurements as well.

if you have over 75k on your o2, an old dirty fuel filter, and a dirty maf id suggest repairing those items first....as even a flash back to a stock bin file with any of those sensors reading improperly is unlikely to improve things much.
 
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