Live Manual
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. 1 Replace ignition coil H
  2. 2 Repair and heat-shield wiring
  3. 3 Replace spark plug
  4. 4 Replace PCM
Estimated Repair Cost USD
$80 $250

Ignition coil: $80 - $200