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bluer33

By bluer33,
in Engines & Forced Induction

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paulr33 Grand Master

paulr33

Posted
Posted

i found the powerfc closed loop to be spot on. but i did as guilt toy suggested ages under (under DIY: Some PowerFC self tuning comments) and leaned it out to the max and have kept closed loop off permenantly. fuel economy now rawks :(

Craved Grand Master

Craved

Posted
Posted

yeah it cant be bad... im at about 380kms and just gone to the 1/4 left mark ... so it cant be that bad ..

just need the free timne to read through that thread, can concentrate on it while im at work .. like i am now lol

how good is your economy Paul?

Busky2k Veteran

Busky2k

Posted
Posted
closed loop should be bouncing the AFR's from lean to stoich.

i think its like 10 times per minute or something, not just sitting in the stoich area on the guage..

i think the condition affects how responsive the unit is.

Yes for a stock O2 sensor but not for a wideband.

It should do it about 1 time per second at the very least, but a new sensor will 'cross over' 3-5 times per second.

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