P2307

Ignition Coil C Primary Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Misfire in a specific cylinder
Unstable engine idling
Loss of engine power
Increased fuel consumption
Check Engine Light on Dashboard

Causes

Faulty ignition coil
Open or short circuit in the coil control circuit
Poor contact in the ignition coil connector
Malfunction of the ignition module or ECU
Wiring harness damage

How to Fix

Check the condition of the ignition coil connector
Check the integrity of the wires in the control circuit
Measure the resistance of the primary winding of the coil
Replace the ignition coil if a fault is detected
Check the ECU output signals at the coil connector

Related codes

P2305 P2306 P2308