93 Ford escort has a 172 DTC, what could cause this? on 1993 Ford Escort

HEGO (too lean)

by in Garden Grove, CA on March 10, 2012
1 answer 1 comment
ANSWER by on March 12, 2012
Pull PCV Valve and check
COMMENT by on March 12, 2012
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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