How to repalce the ignition coil on a Ford 4.6L engine 1997 – 2010. For code P0303 but will work on P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308.
@Ford Motor Company @Ford and Motorcraft Parts @FordTechMakuloco
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Vehicles Covered in this Video:
2001 Ford E-150
2002 Ford E-150
2003 Ford E-150
2003 Ford F-250
1999 Ford Expedition
2000 Ford Expedition
2001 Ford Expedition
2002 Ford Expedition
2003 Ford Expedition
2004 Ford Expedition
1999 Ford F-150
2000 Ford F-150
2001 Ford F-150
2002 Ford F-150
2003 Ford F-150
1999 Ford F-250
1999 Lincoln Navigator
Should I replace 1 ignition coil or all 8 ignition coils in my F-150?
Generally for this F150, we recommend to replace all 8. You can get away with replacing one however if the other coils are not very old (5 years or newer is our general guideline), but if you are not sure, or you know that they have never been changed, it is best to buy all 8. Besides not having to replace coils randomly, you can save a lot more on the bundle. Many owners experience more than one old ignition coil going bad within a short period of time. If your ignition coils have been replaced recently, you can get away with replacing just one, but this is usually not the case.
Misfire codes are typically:
-P0301 Cylinder 1 misfire detected
-P0302 Cylinder 2 misfire detected
-P0303 Cylinder 3 misfire detected
-P0304 Cylinder 4 misfire detected
-P0305 Cylinder 5 misfire detected
-P0306 Cylinder 6 misfire detected
-P0307 Cylinder 7 misfire detected
-P0308 Cylinder 8 misfire detected
-P0309 Cylinder 9 misfire detected
-P0310 Cylinder 10 misfire detected
P0351 Ignition Ignition Coil A Primary/Secondary Circuit Malfunction (Cylinder #1)
P0352 Ignition Ignition Coil B Primary/Secondary Circuit Malfunction (Cylinder #2)
P0353 Ignition Ignition Coil C Primary/Secondary Circuit Malfunction (Cylinder #3)
P0354 Ignition Ignition Coil D Primary/Secondary Circuit Malfunction (Cylinder #4)
P0355 Ignition Ignition Coil E Primary/Secondary Circuit Malfunction (Cylinder #5)
P0356 Ignition Ignition Coil F Primary/Secondary Circuit Malfunction (Cylinder #6)
P0357 Ignition Ignition Coil G Primary/Secondary Circuit Malfunction (Cylinder #7)
P0358 Ignition Ignition Coil H Primary/Secondary Circuit Malfunction (Cylinder #8)
P0359 Ignition Ignition Coil I Primary/Secondary Circuit Malfunction (Cylinder #9)
P0360 Ignition Ignition Coil J Primary/Secondary Circuit Malfunction (Cylinder #10)
DIY Ignition Coil Testing
This is a free ignition coil testing method that will only work if the coil is 100% dead. Here’s what you need to do – while the engine is running, unplug the connector. If the misfire gets worse, then that coil is good. If there is no change, then the coil is bad. It’s imperative that when you carry out this test that only the harness connector is disconnected, and the coil is not removed. If the coil is removed/ separated from the spark plug while connected to the harness, and the engine is running, the high voltage has nowhere to go, except back into the coil and into the vehicle electronics system. This can damage the coil, and even the main vehicle computer. Any coil that is separated from the spark plug while the engine is running must be grounded somewhere.
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Due to factors beyond the control of BundysGarage, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. BundysGarage assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. BundysGarage recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of BundysGarage, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the end user and not BundysGarage nor any of it’s subsidiaries.
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Appreciate it. Thought at first I would have to take off the fuel rail.
Are you sure that's a 4.6 another 5.4? Because I got a 4.6 and it has ignition wires does not have a coil pack on top of my spark plug like that
I have a question. I have a 2003 ford e150 with a 4.6l v8. I had the p0307 cylinder #7 missfire issue. I looked up diagrams and swapped out cylinder #7 coil. #7 to my best understanding is the 3rd one closest to the driver. My van doesn't seem to jerk anymore but I'm not 100% that i did it right. Did i do the right thing? Or does the firing order makes another cylinder #7? I don't know how cylinder order works, so i don't know if i did it right. It's a wheel chair transportation van and the last thing i want to do is get stranded, but mechanic wants over $700 to fix it. Did i swap the right cylinder coil?
The #1 coil pack on my ‘01 f150 5.4L has failed several times within a few months of replacing. I have replaced the spark plug. No problem with other cylinders. What next? Is there a way to check the wiring? Suggestions?
Number 8 is misfiring bad on mine cop ( coil on plug) and boy what a pain in the ass of a job replacing it l0r oks
Does the firing order change when you switch the ignition coil with the one next to it?
What are the symptoms of bad coils on my 98 fi50 . It cuts out and bogs but the fuel pump and filter are new
Thanks, I changed the coil and the truck is back to normal.