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}Ford Expedition Ignition Coils
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WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Summary
- Older Expedition models are more likely to experience misfires during their lifespan. The common culprit is a faulty Ford Expedition coil pack.
- Symptoms of Ford Expedition ignition coil problems: Check Engine Light is on, difficulty starting the vehicle, poor drivability, and reduced fuel economy.
- You may test for a bad coil pack manually, using an OBD-II scanner tool, an ohmmeter, or a spark tester.
- Ford Expedition ignition coil replacement costs will vary depending on your SUV’s specific year model. OE replacement coil packs will cost you anywhere from $7 to $861.
One of the benefits of getting a supersized SUV such as the Ford Expedition is that it gives you ample space and power to carry a significant amount of cargo. Unfortunately, older models of this SUV are more likely to experience misfires during the lifespan of the vehicle. The common culprit is a faulty Ford Expedition coil pack.
Symptoms of Ford Expedition ignition coil problems
Check Engine light is illuminated
This malfunction indicator light can be triggered by different engine issues. Use a scan tool to decipher the trouble code or seek the help of a licensed mechanic for a proper diagnosis.
Difficulty starting the vehicle
Your SUV will be harder to start because the engine is cranking without a spark in the cylinder.
Sputtering noises, backfiring, stalling, and rough idling
The drivability of your vehicle will suffer from a bad ignition coil. You will notice a drastic difference in the way your Expedition drives, particularly a loss of power that can make the vehicle hesitate, jerk, or shut off spontaneously.
Poor fuel economy
Problems with the ignition coil negatively impact on your vehicle’s gas mileage.
How to tell if your coil pack is bad
The easiest way to check for a bad ignition coil is to use an OBD-II scan tool. Trouble codes P030 through P0312 point are triggered by cylinder misfires that are likely caused by a bad coil pack. Another tool that you can use to check your ignition coils is an ohmmeter. Simply refer to your vehicle’s manual to learn about the correct procedure and the values that you should be looking for. You may also use a spark tester to check for ignition coil output.
Why is replacing a bad coil pack important?
The ignition coil is a transformer that sends high-voltage electricity to the spark plugs to start the engine. Misfiring due to a faulty or damaged ignition coil is a problem that not only affects the drivability and riding comfort of your vehicle but also impacts its fuel efficiency. Leaving a bad coil pack often results in a loss of power, making it more difficult to tackle hills or tow a load. More importantly, this prevents your engine from running at optimal levels and puts it at risk of serious and costly damage in the long run.
How much is a Ford Expedition coil pack?
Ford Expedition ignition coil replacement costs will vary depending on your SUV’s specific year model. OE replacement coil packs will cost you anywhere from $7 to $861. These are sold individually or in sets of two to ten. You may opt for either a universal or direct-fit replacement coil.
Finding the right fit
There have been several generations of the Ford Expedition, each generation built with parts that vary in size and fit. SUVs made before the 2000 model year were equipped with a Ford coil pack and spark plug wire setup, while newer models carry coil-on-plug assemblies.
To make sure that you’re purchasing a compatible ignition coil replacement for your SUV, use the CarParts.com built-in vehicle selector. Just plug in the correct year, make, and model on the search filters to narrow down the results.
If the Ford Expedition suddenly loses engine power and performs less than what is normal, does this automatically mean that there is a problem with its ignition coil?
There are many things that can cause an engine to fail. While a faulty ignition coil may be one of them, it is not the only reason why the Expedition loses a considerable amount of power. Remember that a car must have the right fuel/air ration, proper compression, and a suitable spark for the engine to run. So before the driver assumes that the decreased engine performance is due to a busted ignition coil, he should first check the other parts responsible for the three actions that deal with a running engine. Starting with the easiest to dissect, he should first check the Ford Expedition's gas tank and work his way deeper, all the way to its fuses and spark plugs. If all checks out okay, then that is the time the ignition coil should be inspected for damage.
What would a busted Ford Expedition ignition coil look like?
Ignition coils are basically winding cords of copper or other conducting metal wires wrapped with proper insulators. And as most metal wires are, the first and most obvious sign of a damaged coil is corrosion. However, if the part is free of any noticeable physical damage, the best way to tell whether or not the Expedition's ignition coil needs to be replaced is through a coil test using a multimeter. A multimeter is an effective tool for testing whether the ignition coil has gone bad or at least on the way there. A visual inspection is only limited to the surface health of the part and will only show what you already know--that the part is so far gone that the engine is not starting at all. However, there are cases wherein the Expedition is like a disaster waiting to happen with a decrease in power experienced by the day. Physical health checks will not be able to differentiate between a weak coil and perfectly working one. But with the use of the multimeter, an accurate measure of the coil's health can be obtained through the use of data and numbers. So aside from relying on a pair of eyes to know whether or not the ignition coil is damaged, it is better to rely more on science-check for a busted coil using a multimeter.
What does the reading in the multimeter mean and how will it determine the health of the Ford Expedition's ignition coil?
The readings found on the multimeter pertain to the measured resistance across the wires coming from the windings on the coil. The resistance readings on the multimeter must match the resistance specification for your ignition coil. Resistance specifications vary between Ford Expedition generations. So to compare whether or not the readings are within range, refer to the Expedition's vehicle manual. If it is past the specified range, this means that coils need to be replaced. Most drivers argue that if the reading is marginal, the coils are still useable and can still work for a considerable amount of miles. However, this is not necessarily true. It simply means that the coils installed on the Expedition has only a few good sparks left, and after they have used up all of it, the coils will stop working.
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