OBD Guide

P2371

Fuel Volume Regulator B Control Circuit Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Difficulty starting the engine
  • Power Loss
  • Check Engine Light Is On

Causes

  • Open or short circuit in the regulator circuit
  • Malfunction of fuel volume regulator B
  • Problems with the wiring harness or connectors
  • Engine control unit malfunction
  • Contact corrosion

How to Fix

  1. Check the integrity of the regulator circuit
  2. Check the resistance and operation of the regulator
  3. Inspect the wiring harness and connectors for damage.
  4. Clean contacts from corrosion
  5. If necessary, replace fuel volume regulator B

Related codes

Error P2371 by Vehicle Brand