How to Replace Ignition Coils 1991-2003 Ford Escort ZX2

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In this video, we're going to show you how to replace an ignition coil on this Ford ZX2. This has a 4 cylinder motor. This procedure is the same for a lot of fords with this 4 cylinder, two liter, dual overhead cam engine. The only tools you'll need are a 7 millimeter socket with a ratchet and an extension. You'll also need a small flat blade screw driver.

To get to the ignition coil, I'm going to pull the accelerator cable out of the way without bending it. Then I'm going to remove four 7 millimeter screws that are on either side of the coil. We're just using a 7 millimeter socket with a ratchet, and we'll speed up here as we take those screws off. You can see every once in a while we do switch to an extension on the bolt. You can use an extension it just makes it a little bit easier.

There are two ears on the connector that go to the coil. I'm using a pocket screwdriver to just gently pry between the connector and the ears. Pry them away from the connector to slip it off. With that done we can pull out the coil pack. As you can see here, we've got cylinders 1 and 3 on the top and 4 and 2 here. It's even labeled here on this one. If the new one doesn't come labeled either reference this video or take a picture of it. Mark it down the side, whatever way you think you will be able to remember it. The coil wires come off by squeezing the ears and wiggling them off.

To put the coil back in, I want to make sure I get my numbers lined up correctly. Just snap them back on. With that back in, I'm just going to make sure: 1, 3, 4, 2. What that 1, 3, 4, 2"? is referencing is the cylinder number and on this 4-cylinder if you start from left, which is the passenger side as your looking at the engine from the front, starting from left to right, it's number 1, then 2, then 3, then 4. Those are the cylinder numbers. They're numbered sequentially on the motor, but then when you hook them onto the coil you need to put them in the proper sequence so they fire in the right order. The coil can only go in one way. Put my 7 millimeter bolts back in.

It's pretty straight forward. Unbolt it, unplug it. Make sure you plug it back in the same way, as far as the spark plugs go. Obviously plug the power and feed connector back in. Then bolt it back in and tighten it down.

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