P2623

Injector Control Pressure Regulator Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Reduced engine power
Increased fuel consumption
Difficulty starting the engine
Check Engine Light Is On

Causes

Pressure regulator circuit open
Pressure regulator malfunction
Wiring harness damage
Problems with the engine ECU
Short circuit in the circuit

How to Fix

Check the pressure regulator circuit for open and short circuit
Check pressure regulator resistance
Inspect the wiring harness for damage
If necessary, replace the pressure regulator
Check the operation of the engine ECU

Related codes

P2624 P2625 P2626