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Why is the coil on plug on my Ford engine broken?

Why is the coil on plug on my Ford engine broken?

The Coil-On-Plug’s electrical connector is broken. More specifically, what breaks is the locking tab that prevents the connector from becoming disconnected from the COP coil. This is a very, very common problem on the 4.6L and 5.4L Ford engines.

What to do if your coil on plug misfire?

If you have broken fuel injector connectors, you can purchase them here: PICO 5714PT FORD Fuel Injectors. The key to finding out what’s causing the misfire condition or misfire codes (if the COP coil is working and sparking), is to inspect the coil boot, the spark plug or spark plugs, the fuel injector and COP coil electrical connectors.

How to test your coils on a 5.4 Ford Motor?

How to test your coils on a 5.4 ford motor – YouTube Replacing This coil did fix the misfire problem…also the truck would shake when under a load. Accelerate going up hill or pulling out Replacing This coil did fix the misfire problem…also the truck would shake when under a load. Accelerate going up hill or pulling out Skip navigation

What causes spark plug and coil boot to misfire?

This is usually due to the intake manifold gasket leaking anti-freeze. Also, if the engine was washed… you’ll get the same result. In photo 2 You can see what a spark plug and coil boot looks like when oil is leaking on them. This is usually due to valve cover gasket problems.

What causes a misfire code on an ignition coil?

A misfire code and/or misfire condition can be caused by different things, like: bad fuel injector, low compression (in that specific cylinder, bad intake manifold gaskets, etc.

The Coil-On-Plug’s electrical connector is broken. More specifically, what breaks is the locking tab that prevents the connector from becoming disconnected from the COP coil. This is a very, very common problem on the 4.6L and 5.4L Ford engines.

What causes a Ford F150 engine to misfire?

My problem was prolonged by a faulty new spark plug, which caused me to chase my tail. I bought this truck knowing that it had a shuttering problem. It would idle alright, but when I would get between 45-50 MPH, the engine would misfire badly.

Why is my spark plug broken on my Ford 4.6L?

The coil, coil boot and spark plug have to be replaced. The Coil-On-Plug’s electrical connector is broken. More specifically, what breaks is the locking tab that prevents the connector from becoming disconnected from the COP coil. This is a very, very common problem on the 4.6L and 5.4L Ford engines.

Is the Check Engine Light a bad coil pack?

The check engine light is one of the most common symptoms of bad Coil Packs. More often than not, your engines computer will be able to detect bad Coil Packs in your F150. There are several misfire related trouble codes. P0300 – this trouble code indicates that there is a random misfire.

Can a worn out spark plug cause an ignition coil failure?

If your spark plugs are worn out, it forces the ignition coils to operate at a much higher output. Keeping your spark plugs in optimum condition can reduce your chances of experiencing an ignition coil failure. Some simple regular maintenance will save you a lot of money in the long run.

What causes spark plug and coil boot to leak?

This is usually due to the intake manifold gasket leaking anti-freeze. Also, if the engine was washed… you’ll get the same result. In photo 2 You can see what a spark plug and coil boot looks like when oil is leaking on them. This is usually due to valve cover gasket problems. Carbon tracks on the spark plug boot and on the spark plug.

How to test Ford 4.6L coil on plug ignition?

If you’ve been wondering how to test the Coil-On-Plug ignition coils on your Ford car or truck (with a 4.6L or 5.4L V8) to see if one or several are bad and are causing a misfire, this is the article for you.

What was the code for the Ford F150 misfire?

I had this code: P0354 Ignition Coil D Primary/Secondary Circuit Malfunction. After reading through the forums, I found that the problem was most likely spark plugs or coils over plugs (COPs). I first replaced all of the spark plugs. They did not look too bad, except the plug #4.

Why are the plugs on my Ford F150 different?

They did not look too bad, except the plug #4. It appears that the Ford mechanic broke it off at the last tune up and did not extract it, or he did not attempt to change it at all. I say this because this particular plug was different than the 7 other plugs.

What happens when you have bad coil packs on a Ford F150?

The less cylinders that your engine has, the more that one cylinder not firing properly will have an effect on engine performance. If you have one or more bad Coil Packs, it’ll cause the acceleration of the F150 to be weaker, and you’ll probably feel a jerking sensation.

If you’ve been wondering how to test the Coil-On-Plug ignition coils on your Ford car or truck (with a 4.6L or 5.4L V8) to see if one or several are bad and are causing a misfire, this is the article for you.

I had this code: P0354 Ignition Coil D Primary/Secondary Circuit Malfunction. After reading through the forums, I found that the problem was most likely spark plugs or coils over plugs (COPs). I first replaced all of the spark plugs. They did not look too bad, except the plug #4.

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Ruth Doyle