P02FB

Cold Start Fuel Injection Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Poor engine starting when cold
RPM dips when warming up
Increased fuel consumption
Unstable idle

Causes

Open or short circuit in control circuit
Malfunction of the additional injection control solenoid
Wiring Harness Problems
Engine ECU malfunction

How to Fix

Check the integrity of the wiring harness
Test control circuit resistance
Check the functionality of the solenoid
Scan the ECU for other errors
If necessary, replace faulty components

Related codes

P0171 P0172 P0300