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Question: 93 Ford escort has a 172 DTC, what could cause this?

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buswrench, Garden Grove, CA, March 10, 2012, 12:37
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HEGO (too lean)

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  • Answer #1

    Sunrise Auto from Sunrise Automotive, March 12, 2012, 13:17
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     Enthusiast

    Pull PCV Valve and check

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    buswrench, March 12, 2012, 17:59
     Rookie

    PCV Valve operates as it should.....Just checked to be sure. thanks for your response.

    Just got back from smog check. I replaced the O2 sensor and cleared the codes. It passed with flying colors, with no Check engine lite.

    thanks for the help!

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