P1138 Engine Code

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Author Message   Tommy (Tommy) Posted on Saturday, August 31, 2002 - 02:58 pm:    Anybody know what the P1138 engine code means?   Al Oliveira (Offroaddisco) Posted on Saturday, August 31, 2002 - 04:02 pm:    Oxygen Sensor Rich *codes* A D A= Bank A of the engine. Cylinder #1 is located on Engine Bank A D= Downstream of the Catalytic Converter See http://www.spanishtrailrovers.com/Tech/Info/OBDII_Scan_Codes/obdii_scan_codes.html