P2237 ACURA Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 IP Line High Voltage

Possible causes – Air/Fuel Ratio Sensor Bank 1 harness is open or shorted– Air/Fuel Ratio Sensor Bank 1 circuit poor electrical connection– Faulty Air/Fuel Ratio Sensor Bank 1– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description For the following Acura models to fix this problem, check…