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2000 expedition running very lean
Hi forum pals, I am new member here, with a problem 2000 expedition. My engine light is on. The codes are:P0171 P0174 P0303 The engine is running is very lean on both banks, and It is badly misfire and engine is driving rough. I did check the PCV...- dunn logan
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- Forum: 1st Gen Ford Expedition Engine & Performance
