🔧 Escape - Ignition Coil Replacement

You’ll be replacing the individual ignition coils that sit on top of each spark plug on your Escape. This can fix misfires, rough running, and some check-engine light codes. The job is mostly unbolt/unplug/replace, so it’s very doable at home with basic tools.

Difficulty Level: Beginner | Estimated Time: 1-1.5 hours

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⚠️ Safety & Precautions

• ⚠️ Let the engine cool completely before working; hot parts can burn you.
• ⚠️ Disconnect the negative battery cable to prevent accidental short circuits or engine cranking.
• ⚠️ Do not pull on the ignition coil wires; always use the connector release tab.
• ⚠️ Keep dirt and debris away from the spark plug wells; falling dirt can cause misfires.
• ⚠️ Work in a well‑ventilated area and avoid open flames or smoking near the vehicle.

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🔧 Required Tools

You'll need the following tools for this repair:

• 🛠️ 10mm socket
• 🛠️ 8mm socket
• 🛠️ 1/4" drive ratchet
• 🛠️ 3/8" drive ratchet
• 🛠️ 3" socket extension
• 🛠️ Torque wrench (inch-lbs and ft-lbs capable)
• 🛠️ Flat trim tool or flathead screwdriver (small)
• 🛠️ Needle-nose pliers
• 🛠️ Fender cover or old towel
• 🛠️ Mechanic’s gloves
• 🛠️ Safety glasses
• 🛠️ OBD2 scan tool (basic) (specialty)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 🔩 Ignition coil (coil-on-plug type for 2.0L EcoBoost) - Qty: 4 (Replace all four for best results)
• 🔩 Dielectric grease (spark plug/coil grease) - Qty: 1 tube
• 🔩 Battery terminal protectant spray - Qty: 1 (optional)
• 🔩 Engine cover grommets (rubber, if worn) - Qty: up to 4 (optional)

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📋 Before You Begin

• Park your Escape on level ground, shift to Park, and set the parking brake.
• Turn off the engine and remove the key or key fob from the vehicle.
• Open the hood and secure it with the hood prop rod.
• Disconnect the negative battery terminal:
  • Use a 10mm socket and ratchet to loosen the clamp on the negative (black, “–”) terminal.
  • Lift the cable off and tuck it aside so it cannot spring back.
• Dielectric grease is a silicone paste that helps seal and prevent corrosion.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the engine cover

• Stand in front of your Escape and look at the top of the engine; you will see a plastic cover with the EcoBoost or Ford logo.
• Gently pull up at each corner of the cover using your hands; it is held by rubber grommets, not bolts.
• If it is stubborn, use a flat trim tool to gently pry near the grommets while pulling up.
• Lift the cover off and set it aside somewhere clean.
• Don’t yank hard; work around each corner.

Step 2: Identify the ignition coils

• On the top of the engine, you will see four black rectangular units in a row; each has a small electrical connector at one end. These are the ignition coils.
• Note their positions from the timing belt/chain end (passenger side) across to the driver side. Ford numbers cylinders 1–4 from passenger to driver on this engine.
• Work one coil at a time to avoid mix-ups.

Step 3: Disconnect the electrical connector from the first coil

• Pick one coil to start with, usually cylinder 1 at the passenger side.
• On the connector, locate the small locking tab.
• Use your fingers, or a small flathead screwdriver, to gently lift or press the tab (depending on style) and pull the connector straight off.
• If it is stuck, use needle-nose pliers very gently on the plastic housing, not the wires.
• Always pull on the connector body, not the wires.

Step 4: Remove the ignition coil hold-down bolt

• Each coil is held to the valve cover by a small bolt near the connector end.
• Use an 8mm socket with a 1/4" ratchet and, if needed, a 3" extension to remove this bolt.
• Turn counterclockwise until the bolt comes free; place the bolt somewhere safe so you don’t lose it.
• Keep bolts in order; they are all the same but easy to misplace.

Step 5: Remove the ignition coil

• Grip the top of the coil firmly with your hand.
• Twist the coil gently left and right to break the seal of the rubber boot on the spark plug.
• Pull straight up to remove the coil from the spark plug well.
• Inspect the coil boot (the long rubber part) for oil or heavy corrosion; oil may mean a valve cover gasket issue that should be checked later.

Step 6: Prepare and install the new ignition coil

• Take a new ignition coil out of the box and compare it to the old one to confirm same shape and connector style.
• Put a very small amount of dielectric grease inside the tip of the rubber boot where it will contact the spark plug ceramic.
• Align the new coil over the spark plug hole and push it straight down until you feel it seat onto the spark plug.
• Make sure the mounting tab lines up with the bolt hole on the valve cover.

Step 7: Reinstall the coil hold-down bolt

• Install the original bolt by hand to avoid cross-threading.
• Use the 8mm socket and 1/4" ratchet to snug the bolt down.
• Then use a torque wrench with the 8mm socket to tighten to 8 Nm (71 in-lbs).
• Do not overtighten; the bolt is small.

Step 8: Reconnect the electrical connector

• Align the connector with the coil’s connector port.
• Push it straight on until you hear or feel a “click.”
• Gently tug on the connector body to confirm it is locked in place.

Step 9: Repeat for the remaining three coils

• Repeat Steps 3–8 for coils 2, 3, and 4, one at a time.
• Always:
  • Unplug connector.
  • Remove 8mm bolt.
  • Twist and pull out old coil.
  • Apply a bit of dielectric grease.
  • Install new coil.
  • Torque bolt to 8 Nm (71 in-lbs).
  • Reconnect connector.
• Working one-by-one helps avoid connector mix-ups.

Step 10: Reinstall the engine cover

• Check that all four coils are bolted and all connectors are fully seated.
• Position the plastic engine cover over the engine so the grommets line up with the mounting pegs.
• Press down firmly over each grommet location until you feel it snap into place.

Step 11: Reconnect the battery

• Go back to the battery and place the negative cable back on the negative terminal.
• Use a 10mm socket and ratchet to tighten the clamp until it is snug.
• Do not overtighten; just firmly snug.
• Spray a light coat of battery terminal protectant if you have it.

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✅ After Repair

• Start your Escape and let it idle for a minute. It should run smoothly without misfires or shaking.
• Watch the instrument cluster for any warning lights (especially the check-engine light).
• If you had a misfire code before, use an OBD2 scan tool to clear stored codes and confirm they do not return.
• Take a short test drive around your neighborhood, checking for smooth acceleration and no hesitation.
• After driving, open the hood and quickly check that nothing is loose and there are no unusual smells or sounds.

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💰 DIY vs Shop Cost

Shop Cost: $450-$650 (parts + labor)

DIY Cost: $160-$280 (parts only, all four coils)

You Save: $270-$370 by doing it yourself!

Shop labor rates in Los Angeles typically run $130-$170/hour. This repair takes a shop approximately 0.8-1.0 hours.

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