Question about Cars & Trucks
Code p2237 refers to heated oxygen sensor(HOS2) 1 bank 1-positivecurrent control-open circuit ---or oxygen sensor(O2S)1 bank 1-open circuit--- or heated oxygen sensor1 bank 1 -no signal=== causes for all three is wiring--HOS2----wiring O2S---wiring--HO2S---ecm. Basically I would be looking for a disconnected wire or broken wire to the sensors.
Posted on Jul 23, 2013
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Posted on Jan 02, 2017
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