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Trouble code P0141 means:O2 sensor heater circuit malfunction (Bank 1,sensor 2)
P0135 on Mitsubishi galant 2003 Definition: HO2S 11 Heater condition (Heated Oxygen Sensor Bank 1 Sensor 1) Explanation: The powertrain control module monitors the oxygen sensor heater. The computer has recognized a failure in this ciricuit. Probable Causes 1. -Oxygen sensor defective 2. -Poor connection at oxygen sensor 3. -Check circuit-fuse
The Exhaust Manifold Oxygen Sensor needs to be replaced.
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.
Heated Oxygen Sensor Control Circuit Bank1 Sensor2symptomsOther 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 1 sensor 2, O2 sensor
Trouble code P0135 means:O2 sensor heater circuit malfunction (Bank 1 Sensor 1)
Trouble code P0135 means:O2 sensor heater circuit malfunction (Bank 1 Sensor 1)
Bank 2 sensor 1 Air fuel sensor heater circuit. This sensor is NOT an O2 sensor, though it operates like one and in the same location(in exhaust stream). Basically the PCM detected that the heater circuit was drawing excessive amperage or no amperage. Usually it's a bad a/f sensor and replacing it will fix it, however, it doesn't rule out the possibility of damaged wiring or an open in the power or ground circuit, or a short in the power or ground circuit.
Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)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 1 sensor 1 O2 sensor
Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)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 1 sensor 1 O2 sensor
Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)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 1 sensor 1 O2 sensor
HO2S (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1)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 1, O2 sensorReplace PCM if circuit has failed and no wiring issues present, good O2 sensor