P233B

Fuel Pressure Regulator C 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
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 damage
Problems with the engine control unit
Corrosion or poor contact in connectors

How to Fix

Check the condition of the fuel pressure regulator control circuit
Test fuel pressure regulator C
Inspect and, if necessary, replace damaged wires or connectors
Check the engine control unit for errors
If necessary, replace fuel pressure regulator C

Related codes

P233A P233C P233D