Question about 2003 Ford Explorer Sport

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I have a 2001 ford explorer and the p171 and 174 sensor came on what do I need to look out for when I take it to the mechanic

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THESE codes are for lean fuel most likely you have a vacume leak some where first thing I would check is the rubber hose for the PCV ...This is common on fords ....Start your engine and listen for hissing or air leaking around all hoses maybe you can fix this yourself and save some money.

Posted on Nov 19, 2009

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