🔧 Escape - Ignition Coil Replacement

Your Escape uses a coil-on-plug setup (one ignition coil sits directly on top of each spark plug). Replacing a bad coil restores smooth running and can fix misfires, rough idle, and flashing check engine lights.

Difficulty Level: Beginner | Estimated Time: 0.5-1.5 hours

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⚠️ Safety & Precautions

• 🔹 Work on a cool engine to avoid burns.
• 🔹 Keep the key out of the ignition while unplugging coils.
• 🔹 Disconnect the negative battery cable if you’ll be moving wiring around a lot.
• 🔹 If the check engine light was flashing, avoid driving until the misfire is fixed (it can damage the catalytic converter).

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm wrench
• 8mm socket
• 1/4" drive ratchet
• 6" extension (1/4" drive)
• Small flathead screwdriver
• Torque wrench (in-lb or low-range Nm)
• Nitrile gloves
• Safety glasses
• Shop towel

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Ignition coil - Qty: 1 (or Qty: 4 if replacing all)
• Dielectric grease - Qty: 1 (small packet/tube)

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📋 Before You Begin

• 🔹 Park on level ground, set the parking brake, and open the hood.
• 🔹 Let the engine cool fully.
• 🔹 Optional but recommended: disconnect the battery negative cable using a 10mm wrench.
• 🔹 Decide your approach: replace only the failed coil, or replace all four coils if they’re the same age.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove any intake tubing blocking the coils (if equipped)

• Loosen the hose clamps using an 8mm socket and 1/4" drive ratchet.
• Disconnect any small breather hose(s) by gently prying the clip with a small flathead screwdriver.
• Lift the tube out of the way and set it aside with a shop towel under it.

Step 2: Unplug the electrical connector from the coil

• Press the connector lock tab and pull the connector straight off.
• If it’s stuck, use a small flathead screwdriver to gently help the lock tab move, then pull again.

Step 3: Remove the ignition coil hold-down bolt

• Remove the bolt using an 8mm socket, 6" extension (1/4" drive), and 1/4" drive ratchet.
• Set the bolt somewhere safe so it doesn’t fall into the engine bay.

Step 4: Pull the coil out

• Twist the coil slightly left-right by hand to break the seal, then pull straight up.
• Don’t yank the wiring harness.
• Wipe any dirt around the spark plug well using a shop towel.

Step 5: Prep and install the new coil

• Apply a pea-sized amount of dielectric grease inside the coil boot (this is a silicone grease that helps prevent moisture and makes future removal easier).
• Push the new coil straight down until it fully seats on the spark plug.

Step 6: Reinstall the coil bolt and torque it

• Install the hold-down bolt by hand first (to avoid cross-threading), then snug it with an 8mm socket, 6" extension (1/4" drive), and 1/4" drive ratchet.
• Finish with a torque wrench (in-lb or low-range Nm): Torque to 7 Nm (62 in-lb).

Step 7: Reconnect the coil connector

• Push the connector on until it clicks/locks.
• Lightly tug it to confirm it’s fully seated.

Step 8: Reinstall intake tubing (if removed)

• Reinstall the tube and any breather hose(s).
• Tighten hose clamps using an 8mm socket and 1/4" drive ratchet.

Step 9: Reconnect the battery (if disconnected)

• Reconnect the negative cable using a 10mm wrench.

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✅ After Repair

• 🔹 Start the engine and listen for a smooth idle.
• 🔹 If the check engine light stays on, the code may need clearing after the fix (some lights clear on their own after a few drive cycles).
• 🔹 Do a short test drive and confirm there’s no hesitation under acceleration.
• 🔹 If it still misfires, the spark plug or a wiring issue may be the real cause.

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💰 DIY vs Shop Cost

Shop Cost: $200-$500 (parts + labor)

DIY Cost: $40-$300 (parts only, depending on replacing 1 vs 4 coils)

You Save: $100-$250 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.7-1.2 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.