OBD Guide

P233C

Fuel Pressure Regulator C Control Circuit High

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

Symptoms

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

Causes

  • Fuel pressure regulator fault C
  • Open or short circuit in control circuit
  • Wiring Harness Problems
  • Engine control unit malfunction
  • Contact corrosion

How to Fix

  1. Check the condition of the fuel pressure regulator C
  2. Check the integrity of the control circuit
  3. Inspect the wiring harness for damage
  4. Check contacts for corrosion
  5. If necessary, replace the fuel pressure regulator

Related codes

Error P233C by Vehicle Brand