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Re: Troubleshooting P0171 with P0174
Posted to Technical Tips Forum on 12/22/2010 1 Reply

You would have liked the one that I had yesterday on a windstar! Same thing except STFT was 33 and LTFT 25 at idle. The PCV hose assembly was broken and the customer "Fixed It" with some electrical tape. It was leaking but not that bad, I was out of propane bu... Login to read more.

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