HEGO (too lean)
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1993 Ford Escort Question: 93 Ford escort has a 172 DTC, what could cause this?
Answer #1Sunrise Auto from Sunrise Automotive, March 12, 2012, 13:17Technician
Pull PCV Valve and check
Replybuswrench, March 12, 2012, 17:59Rookie
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!