Parts for your 2006 Mitsubishi Outlander-Ignition leads

2006 Mitsubishi Outlander ignition leads — are they actually used?

For the 2006 Mitsubishi Outlander sold in Australia and New Zealand, traditional high‑tension ignition leads aren’t fitted. This model runs a coil‑on‑plug (COP) setup, where each spark plug has its own plug‑top ignition coil. Technical references back this up: the Mitsubishi factory service manual for the 2006 Outlander (CU/ZE and early CW series) lists individual plug‑top coils in the Ignition System section, the Mitsubishi ASA/EPC parts catalogue shows four ignition coil assemblies and no HT lead set, and NGK/NTK’s AU application data likewise specifies individual coils with no listing for ignition leads.

Why no leads? COP systems do the job of a lead and coil together, firing the plug directly. That shortens the high‑voltage path, reduces energy loss, and helps with emissions, reliability and packaging under the bonnet. It also means there’s nothing like a conventional “lead set” to replace on this Outlander.

What should be serviced instead? Focus on the wear items the COP system depends on:

• Spark plugs: Use the correct heat range and gap as per the owner’s manual, replace at the recommended interval (often 90–100,000 km for iridium, sooner for nickel). A tired plug can overwork a coil.
• Coil boots and tubes: Inspect the rubber boots for hardening, cracks or carbon tracking. Lightly apply dielectric grease inside the boot to aid sealing and future removal.
• Ignition coils: If there’s a misfire under load, rough idle, or a logged ignition DTC, swap coils between cylinders to confirm a fault. Replace failed coils as needed—genuine or quality aftermarket.
• Oil in plug wells: Leaking rocker cover tube seals can contaminate boots and cause misfires. Fix the leak and clean the wells before refitting.

Signs that mimic “bad leads” on older cars—hesitation in the wet, intermittent misfire, or a ticking spark leak—usually trace back to a cracked boot, oil ingress, or a weak coil on the 2006 Outlander. During routine servicing, a quick look down the plug tubes, checking plug condition, and scanning for misfire counts will keep the ignition system happy without chasing parts the vehicle doesn’t use.

Popular questions about 2006 Mitsubishi Outlander ignition leads

Does a 2006 Outlander have ignition leads I can replace?
No. This model uses coil‑on‑plug ignition, so there’s no separate HT lead set. Each spark plug is fired by its own plug‑top coil. If you’re chasing a misfire, look at the plugs, coil boots and the coils themselves rather than searching for leads.

What should I replace instead of ignition leads on a 2006 Outlander?
Prioritise fresh spark plugs at the correct interval, inspect/replace any cracked coil boots, and replace any weak coils. Also check for oil in the plug tubes from rocker cover seal leaks, as that can mimic “bad leads” symptoms.

How do I spot a failing ignition coil on this model?
Common clues include a shaky idle, hesitation under load, poor fuel economy, or a check‑engine light with cylinder‑specific misfire codes. Swapping the suspect coil to another cylinder and seeing if the misfire follows is a handy driveway test before replacing the part.