P2038
Reductant Injection Air Pressure Sensor A Circuit Range/Performance
P2038 is an OBD-II diagnostic trouble code meaning: Reductant Injection Air Pressure Sensor A Circuit Range/Performance. Common causes: faulty reagent injection air pressure sensor, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Problems starting the engine
- Unstable engine idling
Causes
- Faulty reagent injection air pressure sensor
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Sensor is dirty or damaged
- Problems with the engine control unit
How to Fix
- Check the integrity of the sensor circuit and connectors
- Check the sensor readings using a diagnostic scanner
- Clean or replace the air pressure sensor
- Check and replace wiring harness if necessary
- Flash or replace the engine control unit if necessary
Related codes
Error P2038 by Vehicle Brand
FAQ
What does the P2038 code mean?
P2038 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Air Pressure Sensor A Circuit Range/Performance
What causes a P2038 error code?
The most common causes of P2038 include: Faulty reagent injection air pressure sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor is dirty or damaged.
How do I fix a P2038 diagnostic trouble code?
To fix P2038: Check the integrity of the sensor circuit and connectors. Check the sensor readings using a diagnostic scanner. Clean or replace the air pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2038?
Yes, but get it checked soon
How much does it cost to fix P2038?
The estimated repair cost for P2038 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat