P2305

Ignition Coil B Secondary Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Misfire in cylinder B
Reduced engine power
Increased fuel consumption
Rough engine idling
Check Engine light comes on

Causes

Faulty ignition coil
Damaged high voltage wires
Poor contact in coil connectors
Wiring harness damage
Engine control unit malfunction

How to Fix

Check the condition of the ignition coil of cylinder B
Inspect high voltage wires for damage
Check coil connections and connectors
Test the resistance of the secondary winding of the coil
If necessary, replace the ignition coil

Related codes

P2300 P2301 P2302