P2373
Fuel Volume Regulator B Control Circuit High
P2373 is an OBD-II diagnostic trouble code meaning: Fuel Volume Regulator B Control Circuit High. Common causes: short circuit to positive in the control circuit, malfunction of fuel volume regulator b. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable idling
- Difficulty starting the engine
Causes
- Short circuit to positive in the control circuit
- Malfunction of fuel volume regulator B
- Wiring harness damage
- Problems with the engine control unit
- Corrosion or poor contact in connectors
How to Fix
- Check control circuit for short circuit
- Test fuel volume regulator B
- Inspect the wiring harness for damage
- Check connectors and contacts
- If necessary, replace the fuel volume regulator
Related codes
Error P2373 by Vehicle Brand
FAQ
What does the P2373 code mean?
P2373 is an OBD-II diagnostic trouble code that indicates: Fuel Volume Regulator B Control Circuit High
What causes a P2373 error code?
The most common causes of P2373 include: Short circuit to positive in the control circuit; Malfunction of fuel volume regulator B; Wiring harness damage; Problems with the engine control unit.
How do I fix a P2373 diagnostic trouble code?
To fix P2373: Check control circuit for short circuit. Test fuel volume regulator B. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2373?
Yes, but get it checked soon
How much does it cost to fix P2373?
The estimated repair cost for P2373 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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