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Re: 2005 C240 negative fuel trims
Posted to Technical Discussion Forum on 4/24/2017 2 Replies

thanks for the response Ray. I'm going to go down your list and respond to each item.

"Read the ethanol factor in the ecm and if between 1.25 and 1.43, reset fuel trim ethanol correction factor adaptations to 1.0"

I checked this item with 2 different scann... Login to read more.

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