P2030

Fuel Fired Heater Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Difficulty starting the engine in cold weather
Increased fuel consumption
Check Engine Light Is On
Reduced engine power in cold conditions

Causes

Heating element malfunction
Problems with the heater electrical circuit
Fuel temperature sensor malfunction
Wiring harness damage
Problems with the engine control unit

How to Fix

Check the integrity of the heating element
Check the electrical circuit for opens and shorts
Check fuel temperature sensor
Inspect the wiring harness for damage
Diagnose the engine control unit

Related codes

P2029 P2031 P2032