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Re: More P0171/174 fun: '03 Expedition 4.6L
Posted to Technical Theory Forum on 5/24/2007 1 Reply

Robert,

Once again, you are suggesting that the manufacturer's flow charts are the only way that a vehicle can be properly diagnosed. Once again, you are incorrect. Was the concern on this vehicle diagnosed? Yes. Was it diagnosed correctly? Yes. Was it diagn... Login to read more.

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