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Re: 1997 F150, aint that rich?
Posted to Technical Discussion Forum on 12/26/2002 1 Reply

Rags,

First I'd want to see the coolant temperature. It seemed a little low in the freeze frame. Second, is it in closed loop? The O2s are pegged rich and the fuel trims are almost 0%. Was the fuel pressure 32 psi running or KOEO? I'd probably check the fuel... Login to read more.

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