Ford Expedition Spark Plug Replacement at your home or office.

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Spark Plug Replacement Estimate for Ford Expedition

Ford Expedition Spark Plug Replacement costs $205 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$157 to $244
Labor: $120 -$162
Parts: $37 -$82
Average Dealer price
$232 to 353
Average Shop price
$191 to 276
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceEstimateShop/Dealer Price
2018 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$226.90Shop/Dealer Price$266.70 - $338.12
2015 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$291.41Shop/Dealer Price$350.06 - $486.25
2016 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$291.41Shop/Dealer Price$350.15 - $486.41
2017 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$298.91Shop/Dealer Price$356.57 - $492.02
Show example Ford Expedition Spark Plug Replacement prices

Spark Plug Replacement Service

What are spark plugs and how do they work?

Spark plugs are one of the key components of your vehicle’s ignition system. They ignite gasoline and air inside of your engine. This gives your engine the power to propel you down the road. The spark plug takes high voltage electricity from the ignition coil and creates a spark at just right moment during the engine’s combustion cycle. This gives the engine the best mix of power, fuel economy and low emissions. However, the electrode at the end of the spark plug eventually wears out and can cause performance issues.

Spark plugs-MATROX-1

When should you replace spark plugs?

Replacement should follow the vehicle maintenance schedule. This will be listed in the vehicle’s owner’s manual. Some cars require regular replacement at 30k, 60k or 100k miles. It is possible in some cases that a spark plug might fail before the service schedule, but it’s not typically common.

Avoiding spark plug replacement can cause:

  • Difficulty starting your car.
  • Check engine light for a misfire code.
  • Flashing check engine light during acceleration for misfire, this can cause engine damage.
  • Reduced fuel economy and/or power.
  • Rough idle and/or unexplained engine vibration.
  • Failed State emission testing.

Even if only one spark plug is found to be faulty, they should always be replaced in sets. Most engines will require 4,6, or 8 spark plugs.

How do mechanics replace spark plugs?

Spark plugs are threaded into the engine’s cylinder head(s). Most cars have one plug per cylinder, so a four-cylinder engine will have four plugs, a six-cylinder engine will have six plugs, and so forth. The mechanic will:

  • Have the correct spark plugs on hand for your vehicle
  • Pull any diagnostic trouble codes that may be related to worn spark plugs.
  • Remove the original spark plugs and look at removed spark plugs for any clues indicating engine mis-operation exists; such as oil burning, excessively rich mixture, pre-ignition damage etc. Inform owner of any found unusual conditions.
  • Install new plugs using a torque wrench.
  • Finally, a road test of the vehicle to confirm normal operation.

Is it safe to drive with worn spark plugs?

Yes, but spark plugs that are worn enough to cause engine-misfiring have the potential to cause engine damage and overheating of the catalytic converter. Regardless of the age of the plugs, or mileage, if the engine misfires or runs poorly, the plugs should be inspected for defects. Generally, spark plug failure will not keep the engine from running, but in cases of extreme wear, you may experience a limitation in the speed at which you can drive the car. If the maintenance schedule says the plugs should be replaced, it is best to do so promptly.

When having spark plugs replaced keep in mind:

  • High-speed driving may accelerate spark plug wear. Consider earlier than required inspection and tune-up if you operate the car in severe conditions.
  • Plugs should always be promptly replaced per the manufacturer maintenance schedule even if they appear to be working perfectly.
  • If your vehicle is equipped with spark plug wires (as opposed to a coil-on-plug system), the wires should be replaced at the same time. This may increase the cost of your repair.
  • It is possible that when doing a spark plug replacement, your vehicle may also need additional parts like ignition coils, this will add to the repair cost.
  • Some engines require that the intake manifold be removed while replacing spark plugs. This may increase the parts and labor cost for the repair.
  • Leaking valve cover gaskets, which have let oil get in contact with the spark plugs, coils or wires, may be the cause of ignition system issues. Valve cover gaskets will need to be replaced in addition to the spark plugs, wires or coils. This will add to the repair cost.

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Excellent Rating


YourMechanic Ford Expedition Spark Plugs Replacement Service

Average Rating

5/5

Number of Reviews

29

Rating Summary
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Meet some of our expert Ford mechanics

Real customer reviews from Ford owners like you.

Michael

11 years of experience
26 reviews
Michael
11 years of experience
Ford Expedition - Spark Plugs - Denton, Texas
Michael showed up on time and also sent me a text asking politely if he should wait or if he should pull into the driveway. He was polite and answered all of my questions with patience. He completed the task on time and I could not have asked for anything better. Good timely service. I will definitely book more appointments with Michael in future.

Jeffrey

23 years of experience
105 reviews
Jeffrey
23 years of experience
Ford Expedition - Spark Plugs - Holiday, Florida
Jeffrey "Happy" was very friendly. Good spirits at all times. repair was a rough job, Jeffery took the time he needed to be sure the job was done right. Enjoyed our conversation also. His explanations were easy to understand. Thanks happy

Omar

19 years of experience
67 reviews
Omar
19 years of experience
Ford Expedition - Spark Plugs - Gilbert, Arizona
Great Mechanic. Performed a Spark Plug replacement on our 2003 Ford Expedition. He performed the task in a efficient, highly meticulous manner, and we have not had any issues since he replaced the plugs 4 years ago, He was also very knowledgeable about the different Ford Models. I would highly recommend.

Jamahl

18 years of experience
830 reviews
Jamahl
18 years of experience
Ford Expedition - Spark Plugs - Kissimmee, Florida
Outstanding service provider. Jamahl was prompt, courteous, and best of all did not charge me for items not need from original quote. Will definitely use Mr. Walker again. Thank you Jamahal!
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceEstimateShop/Dealer Price
2018 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$226.90Shop/Dealer Price$266.70 - $338.12
2015 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$291.41Shop/Dealer Price$350.06 - $486.25
2016 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$291.41Shop/Dealer Price$350.15 - $486.41
2017 Ford ExpeditionV6-3.5L TurboService typeSpark Plug ReplacementEstimate$298.91Shop/Dealer Price$356.57 - $492.02
Show example Ford Expedition Spark Plug Replacement prices

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