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P0153 - OBD-II Trouble Code

Our automotive experts have put together the following information about the P0153 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0153 code.

OBD II Fault Code

  • OBD II P0153

Fault Code Definition
When the up and down "cross-counting" voltage activity from the Oxygen Sensor is too slow, code P0153 is triggered and the Check Engine/Service Engine Soon Light will illuminate.

Symptoms

  • Check Engine Light will illuminate
  • In many cases, no abnormal symptoms may be noticed
  • In many cases, the emissions will be elevated

Common Problems That Trigger the P0153 Code

  • Defective Oxygen Sensor
  • Faulty Oxygen Sensor wiring or connections
  • Exhaust System Leak(s)

Common Misdiagnoses

  • Oxygen Sensor is replaced when the problem is faulty Oxygen Sensor wiring or connections
  • Oxygen Sensor is replaced when the problem is a vacuum leak or defective Mass Air Flow Sensor

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