P23D5

Cylinder 2 Fuel Heater Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Deterioration of engine performance in the cold
Increased fuel consumption
Unstable engine operation
Reduced engine power

Causes

Open circuit in fuel heating circuit
Heating element malfunction
Relay or fuse problems
Engine control unit malfunction
Wiring harness damage

How to Fix

Check the integrity of the fuel heating circuit
Check the resistance of the heating element
Check fuses and relays
Check the control signal from the ECU
Replace the faulty heating element if necessary

Related codes

P23D0 P23D1 P23D6