Bank 1 is the bank of the engine that contains #1 cylinder. Bank 2 is the other bank. Sensor 1 is located before the catalytic converter. Sensor 2 is located after the cat converter.
Code po135
Donβt know
If it is saying that the heater circuit has failed then this O2 sensor has failed. The o2 sensors have tip heaters in them. These are irreplaceable. Replace the whole sensor. This particular sensor is located on the driver's side exhaust in front of the Catalytic Convertor.
H02S Bank 1 Sensor 3 Heater circuit. This should be the H02S (heated oxygen sensor) located after the catalytic converter. If the wiring looks okay the sensor is probably bad.
Trouble code P0042 means: HO2S Heater Control Circuit (Bank 1, Sensor 3)
heater sensor circuit Chevy astro 2000
Camshaft position sensor circuit malfunction.Camshaft position sensor circuit malfunction.
9 time out of 10, the heater circuit internal to the sensor has failed. Replace the sensor.
The oxygen sensor is located in the exhaust system on a 2005 Dodge Durango Hemi 5.7. There is a sensor located before and after the catalytic converter.
Replace the HO2 sensor. The heater circuit on the sensor is breaking down and needs to be replaced. Also check the wires and connection for loose contacts before buying the sensor. Some times the connector or wiring is faulty and not the sensor.
It is the sensor that is screwed into the exhaust manifold on the back of the engine.
left side of the engine after the cat
Heated oxygen sensor heater circuit malfunction (bank 1, sensor 1): Open or short in heated oxygen sensor heater circuit Heated oxygen sensor heater malfunction (Haynes Repair Manual)
HO2S Heater Control Circuit High (Bank 2 Sensor 2)symptomsOther than the MIL light illuminating you may not notice any performance issues.causeA short in the O2 sensor heater circuit or the sensor itselfA faulty O2 sensor heaterWiring or connectors are broken or frayed to the sensor or relayBad PCM or ECMThe fixCorrect wiring short or loose connector found in inspection.and/orReplace the bank 2 sensor 2, O2 sensorReplace PCM if circuit has failed and no wiring issues present, good O2 sensor