OBD Guide

P233E

Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit Low

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

  • Fuel Pressure Regulator Solenoid B Malfunction
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Engine control unit malfunction
  • Relay or fuse problems

How to Fix

  1. Check the integrity of the solenoid control circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Check the functionality of the fuel pressure regulator solenoid B
  4. Check relays and fuses associated with the control circuit
  5. If necessary, replace the solenoid or repair the wiring.

Related codes

Error P233E by Vehicle Brand