P20E1
Exhaust Aftertreatment Fuel Pressure Sensor Circuit Intermittent/Erratic
P20E1 is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Fuel Pressure Sensor Circuit Intermittent/Erratic. Common causes: fuel pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Deterioration of the exhaust gas cleaning system
- Possible problems with diesel particulate filter regeneration
- Increased fuel consumption
- Reduced engine power
Causes
- Fuel pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Contact corrosion
- Problems with the engine control unit
How to Fix
- Check the integrity of the sensor wiring
- Check the contacts in the sensor connector
- Check sensor resistance
- Replace the fuel pressure sensor if necessary
- Check the operation of the engine control unit
Related codes
Error P20E1 by Vehicle Brand
FAQ
What does the P20E1 code mean?
P20E1 is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Fuel Pressure Sensor Circuit Intermittent/Erratic
What causes a P20E1 error code?
The most common causes of P20E1 include: Fuel pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Contact corrosion.
How do I fix a P20E1 diagnostic trouble code?
To fix P20E1: Check the integrity of the sensor wiring. Check the contacts in the sensor connector. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20E1?
Yes, but get it checked soon
How much does it cost to fix P20E1?
The estimated repair cost for P20E1 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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