P20D7
Exhaust Aftertreatment Fuel Supply Control Circuit/Open
P20D7 is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Fuel Supply Control Circuit/Open. Common causes: fuel control circuit open, fuel pressure sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Problems with diesel particulate filter regeneration
- Unstable engine operation
Causes
- Fuel control circuit open
- Fuel pressure sensor malfunction
- Problems with the engine control unit
- Fuel supply solenoid valve malfunction
- Wiring harness damage
How to Fix
- Check the integrity of the fuel control circuit
- Check the operation of the fuel pressure sensor
- Diagnose the engine control unit
- Check the fuel supply solenoid valve
- Inspect the wiring harness for damage
Related codes
Error P20D7 by Vehicle Brand
FAQ
What does the P20D7 code mean?
P20D7 is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Fuel Supply Control Circuit/Open
What causes a P20D7 error code?
The most common causes of P20D7 include: Fuel control circuit open; Fuel pressure sensor malfunction; Problems with the engine control unit; Fuel supply solenoid valve malfunction.
How do I fix a P20D7 diagnostic trouble code?
To fix P20D7: Check the integrity of the fuel control circuit. Check the operation of the fuel pressure sensor. Diagnose the engine control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P20D7?
Yes, but get it checked soon
How much does it cost to fix P20D7?
The estimated repair cost for P20D7 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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