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Senior Member
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Join Date: Mar 2016
Location: West Bend, WI
Posts: 2,339
Real Name: Mike
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Senior Member
Join Date: Mar 2016
Location: West Bend, WI
Posts: 2,339
Real Name: Mike
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Have you ever replaced your upstream O2 sensor? If not, they can go bad without throwing a code. I fixed my P0172 code by replacing it. It can send bad reading to your PCM and cause the system to be too rich/lean.
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1997 SR5 4x4 Auto, 99' tall coils up front, OME 906's, Truetrac LSD, Airaid MIT
1999 SR5 4x4 Auto for parts
2011 Camry SE V6
2011 Highlander Limited
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