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P02E9 Severity
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
The volume of air going through the intake is controlled by the Intake Airflow Control Valve on the throttle body. The Intake Airflow Position Sensor tells the engine control module (PCM) the position of the Diesel Intake Airflow Control Valve. When the PCM detects a problem with this sensor or the circuit for the sensor, it will set code P02E9. This sensor is replaced as a unit with the throttle body and is not serviceable separately.
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OBD-II Code Decreased engine performance is defined as a Diesel Intake Air Flow Position Sensor Circuit High
The volume of air going through the intake is controlled by the Intake Airflow Control Valve on the throttle body. The Intake Airflow Position Sensor tells the engine control module (PCM) the position of the Diesel Intake Airflow Control Valve. When the PCM detects a problem with this sensor or the circuit for the sensor, it will set code P02E9. This sensor is replaced as a unit with the throttle body and is not serviceable separately.