Operation CHARM: Car repair manuals for everyone.

DTC P1131, P1151



-
HEATED OXYGEN SENSOR (HO2S) NOT SWITCHING - UPSTREAM

Detection Condition/Possible Cause (Part 1):





Detection Condition/Possible Cause (Part 2):





Step 1-Step 4:





Step 5-Step 8:





Step 9-Step 11:





Step 12-Step 14:





Step 15-Step 18:





Step 19-Step 21: