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2003 Focus P0171 Lean Code
Posted to Technical Discussion Forum on 1/18/2007 4 Replies

I smoked it, cleaned the MAF, and visually checked the PCV hoses. Everything is comming up o.k.

My question, fuel pressure is 30 psi at idle. It will climb to 40+ on snap accel. and then drop to 25 psi for a second or so. Alldata says pressure should be 35-6... Login to read more.

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