P0141 MERCEDES-BENZ code

Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0141 code. This DTC can be triggered by a faulty oxygen sensor, incorrect voltage, or even a loose/corroded engine ground.

How do I fix error code P0141?

What repairs can fix the P0141 code?

  1. Clearing the fault codes and performing a road test to try and verify a failure.
  2. Replacing the O2 sensor for bank 1 sensor 2.
  3. Repairing or replacing the wiring or connection to the O2 sensor for bank 1 sensor 2.
  4. Replacing the fuse to the heater circuit for the O2 sensor heater circuit.


How is P0141 diagnosed?

Zitat von Youtube: It indicates that the engine control module has tested the oxygen sensor heater circuit and detects a problem with the bank one sensor to oxygen sensor heater circuit.

What does O2 sensor heater circuit malfunction mean?

The trouble code P0135 is a generic powertrain code indicating a problem in the front oxygen sensor on Bank 1, a heated oxygen sensor circuit that decreases time to enter closed loop. It is necessary to use an OBD-II scanner to obtain trouble codes and then check the indicated parts.

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Where is the O2 heater sensor located?

The oxygen sensor helps keep that balance in check. The sensor is typically located on the passenger side of the car, mounted directly onto the exhaust pipe near the catalytic converter.

Can you drive with P0141 code?

What is the severity of a P0141 code? Minor. There is no immediate danger to the car, nor will this code leave you stranded on the side of the road waiting for a tow. There is time to look for a good mechanic and plan a date to drop off the car.

How much does it cost to fix P0141?

Depending on the shop’s labor rate, this typically costs somewhere between $75-$150. Many, if not most, shops will apply this diagnosis fee to any required repairs if you have them perform the repairs for you. From there, a shop will be able to give you an accurate estimate for repairs to fix your P0141 code.

How much is it to replace oxygen sensor?

between $329 and $379

The average cost for oxygen sensor replacement is between $329 and $379. Labor costs are estimated between $59 and $74 while parts are priced between $270 and $305. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

Where is the oxygen sensor bank 1 located?

Sensor 1 is the sensor closest to the engine. Sensor 2 is the downstream oxygen sensor. It is always going to be located after the catalytic converter.

Are Bank 1 and Bank 2 O2 sensors the same?

Bank 2 Sensor 1 is the first sensor closest to the engine. On Bank 2 means it is at the engine side with cylinders 2, 4, 6, 8, etc. Bank 2 Sensor 2 is the second sensor on the engine’s exhaust pipe, usually behind the catalytic converter.

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Which 02 sensor is bank 1 sensor 2?

Zitat von Youtube: Usually on your exhaust monitor guys on the exhaust.

How do you test a O2 sensor heater?

Zitat von Youtube: And then we got to probe the appropriate wires on the component side of the connector. This connector right here you want to probe those wires on that connector going to the heater circuit.