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Re: Check engine light code help
P0138 is bank 1 sensor 2. If you have single exhaust its pretty simple. If you have duals I am assuming that bank 1 is the passenger side because mine came up with that code on single exhaust. Sensor 2 is after the converter. Bank 2 sensor 2 would be codes p0157 thru p0161.
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HERS---> 2006 Grand Marquis GS (replaced my 1998 w/cracked manifold)
HIS----> 2003 Dodge 1500 HEMI QC 4X4
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