🔧 Outlander - Ignition Coil Replacement

Your Outlander uses a coil-on-plug setup (one ignition coil per spark plug). Replacing a bad coil restores smooth running, prevents misfires, and can stop a flashing check-engine light.

Difficulty Level: Beginner | Estimated Time: 0.5-1.0 hours

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⚠️ Safety & Precautions

• ⚠️ Work on a cold engine to avoid burns.
• ⚠️ Turn ignition OFF and keep the key/fob away from the vehicle.
• ⚠️ Disconnect the negative battery cable if you’ll be unplugging multiple connectors (recommended).
• ⚠️ Do not pull on wiring—only on the connector body.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 1/4" ratchet
• 3" socket extension
• Torque wrench (2-30 Nm range)
• Small flat-blade screwdriver
• Trim clip tool
• Nitrile gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Ignition coil - Qty: 1-4 (best practice: replace all four)
• Dielectric grease - Qty: 1

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Let the engine fully cool.
• If disconnecting the battery: use a 10mm socket to remove the negative battery terminal and isolate it so it can’t spring back.
• Take a quick photo of the coil connectors first.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the engine cover (if equipped)

• Pull straight up on the plastic engine cover to release the rubber grommets, or remove any retainers using a trim clip tool.
• Set the cover aside.

Step 2: Unplug the ignition coil electrical connector

• At the top of the coil, press the connector lock tab and pull the connector straight off.
• If it’s stuck, gently help the tab with a small flat-blade screwdriver (do not pry hard).
• Pull the connector body, not the wires.

Step 3: Remove the ignition coil hold-down bolt

• Use a 10mm socket, 3" socket extension, and 1/4" ratchet to remove the coil hold-down bolt.
• Place the bolt somewhere safe so it doesn’t fall into the engine bay.

Step 4: Remove the ignition coil

• Twist the coil slightly left and right to break the seal, then pull straight up to remove it.
• If the rubber boot stays stuck on the spark plug, remove it carefully and reinstall it onto the coil before reassembly.
• A gentle twist helps more than brute force.

Step 5: Install the new ignition coil

• Put a very thin film of dielectric grease inside the end of the coil boot (this helps prevent moisture and eases future removal).
• Align the coil with the spark plug tube and push straight down until it seats fully.

Step 6: Reinstall the hold-down bolt and torque it

• Start the bolt by hand to avoid cross-threading.
• Tighten using a 10mm socket and finish with a torque wrench (2-30 Nm range).
• Torque to 10 Nm (7 ft-lbs)

Step 7: Reconnect the coil connector and repeat for the other cylinders

• Push the connector on until it clicks/locks.
• Repeat Steps 2–6 for any other coils you’re replacing.

Step 8: Reinstall the engine cover and reconnect the battery (if disconnected)

• Reinstall the engine cover by pressing it down onto the grommets.
• If disconnected earlier, reconnect the negative battery terminal using a 10mm socket and tighten snugly.

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✅ After Repair

• Start the engine and let it idle for 30–60 seconds. It should run smooth with no shaking.
• Test drive gently for 10 minutes and verify no check-engine light returns.
• If you had a misfire code, clear codes with a scan tool after the repair (if available).
• If it still misfires, the spark plug on that cylinder may also need service.

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💰 DIY vs Shop Cost

Shop Cost: $250-$600 (parts + labor)

DIY Cost: $60-$320 (parts only)

You Save: $190-$280 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.5-1.0 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.