P2329

Ignition Coil J Secondary Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Misfire in one of the cylinders
Loss of engine power
Increased fuel consumption
Rough engine idling
Check Engine light comes on

Causes

Faulty ignition coil
Damaged high voltage wires
Worn or dirty spark plug
Problems with the coil connector or wiring harness
Malfunction of the engine control unit (rare)

How to Fix

Check the condition of the spark plug in the corresponding cylinder
Check the integrity of high-voltage wires
Check the ignition coil connector and wiring harness
Replace the ignition coil if necessary
Check and reset error code after repair

Related codes

P2300 P2303 P2306 P2309