Engine Error
P0358
Ignition Coil H Primary/Secondary Circuit
Severity
High
Symptoms
V8 engine misfire, significant power loss, vibration
Common Causes
- Dead ignition coil H (Cylinder 8)
- Wiring damage due to exhaust heat
- Fouled spark plug
- Failed coil driver in PCM
How to Fix
- 1 Replace ignition coil H
- 2 Repair and heat-shield wiring
- 3 Replace spark plug
- 4 Replace PCM
Estimated Repair Cost
USD
$80
–
$250
Ignition coil: $80 - $200