Can anyone here recommend good settings for this 3406E. Its a 99 model set at 550 (supposedly), was factory 475, til overhaul awhile back. Plan on having trim codes changed to probably 5232. Local shop can do this for me. He wasn't yet sure if he can change the other settings though. Anyone know if the same service tool will allow changing both?
Also, had installed the fuel temp harness and noticed improvements as most others have noted. As every load I haul is different (stepdeck), direct comparisons are tough to do. Noticeable power increase and fuel mileage increase (estimated) of .35 or better though. Cool! Plan on installing this different under bunk muffler before changing codes to get a comparison on that too. One change at a time.
Any help on codes is appreciated. Thank you veddy much!
FLS/ FTS settings for a 1LW 3406E ??
Discussion in 'Trucks [ Eighteen Wheelers ]' started by 13letter, Nov 25, 2008.
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It does not hurt anything to change just the injector trim codes to 5232, 6999 is better(10hp more).And as far as the passwords in the ecm,they are always different,say you change one protected setting with passwords and want to change another one,it takes new passwords.
The good news is you can change injector trim codes with just about any service tool.
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