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- - fuel trim (https://www.chryslerforum.com/forum/chrysler-voyager-town-country-21/fuel-trim-18855/)

97 plymouth

01-02-2013 06:20 PM

fuel trim

can any one tell me why is my LT fuel trim is 24% when i rev the engain up
it goes from 0
one other thing does the downstream o2 does it do anything it stays zero volts

on my 97 plymouth voyager 3.3

CHRYSLER TECH

01-02-2013 09:31 PM

do u have a check engine light on? as for the fuel trim there are about 20 something possible causes the o2s are always moving up and down

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