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Coolant temp and fuel trims question
Posted to Technical Theory Forum on 12/13/2006 5 Replies

Hello all,

Does the ECM use a different fuel trim map for cold engine vs warm engine, or is coolant temp input taken into account in the base fuel delivery calculations, independent of the fuel trims?

Specifically, I've got a '97 C1500 5.0L with intermitte... Login to read more.

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