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Re: 8% Peak to Peak transition in short term fuel trim
Posted to Technical Discussion Forum on 8/29/2008 1 Reply

dean ,

this is my take . #1 , the PRIMARY role of the 02 is to maintain catalyst efficiency ( 14.7-1 ) . since cat. efficiency starts falling off around 5% plus or minus , i would agree that 8% is too high . but i've also seen some systems operate NORMALLY a... Login to read more.

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