OBD Guide

P233D

Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit/Open

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

Causes

  • Open or short circuit in solenoid control circuit
  • Fuel pressure regulator solenoid malfunction
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring and connectors of the control circuit
  2. Measure the resistance of the fuel pressure regulator solenoid
  3. Check voltage on control circuit
  4. Replace fuel pressure regulator solenoid if necessary

Related codes

Error P233D by Vehicle Brand