Spark Plug Replacement at your home or office in Williamsburg.

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Average rating from customers who
received a Spark Plugs Replacement.
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$86.47 - $610.45

Price range for all vehicles


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Average rating from customers who
received a Spark Plugs Replacement.
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Recent Spark Plug Replacement reviews in Williamsburg

Excellent Rating


YourMechanic Spark Plug Replacement Service

Average Rating

4.9/5

Number of Reviews

3,267

Rating Summary
3,074
118
15
12
48
3,074
118
15
12
48
Matthew

Matthew

30 years of experience
363 reviews
Matthew
30 years of experience
great experience! truck running fantastic!
Very satisfied professional friendly gives you confidence to trust him with all my repairs to my car/ truck
Brandon

Brandon

17 years of experience
570 reviews
Brandon
17 years of experience
Brandon was very knowledgeable and courteous.
Brandon did excellent work and was extremely professional. I hope to have Brandon do any repairs I may need in the future.
John

John

17 years of experience
310 reviews
John
17 years of experience
John was very professional and went above and beyond expectations. I would highly recommend.
Great job yet again. 3rd time I have used him. Yourmechanic.com messed up my work order and John sorted it for me. Highly recommended. Won't use anyone else
Chris

Chris

14 years of experience
217 reviews
Chris
14 years of experience
Mr. Aquino told me I purchased the wrong coils and therefore couldn't complete the original work I needed. He also found several gasket leaks which he recommended I fix before installing the correct coils at a later time. I followed up by completing further research and was shocked when I discovered the coils I purchased were, in fact, the correct coils.
Jeffrey

Jeffrey

24 years of experience
683 reviews
Jeffrey
24 years of experience
Honest, professional, punctual, reliable
Andrew

Andrew

8 years of experience
394 reviews
Andrew
8 years of experience
He was very knowledgeable and took time to show me things as well . The problem was fixed!
Kiri

Kiri

17 years of experience
364 reviews
Kiri
17 years of experience
He was a professional mechanic. He had a lot of knowledge about most cars. Also. He was so kind. I look forward to seeing him again.
Kenneth

Kenneth

17 years of experience
374 reviews
Kenneth
17 years of experience
He was early. He finished the job faster than expected and it was a very smooth appointment, which I appreciate.
Chris

Chris

12 years of experience
312 reviews
Chris
12 years of experience
I just love the honesty of all the mechanics. Chris explained the recommended services and what could wait a bit and what couldn't , how he found what needed fixing, and didn't just throw stuff out there like previous services I'd used.
Jose

Jose

14 years of experience
433 reviews
Jose
14 years of experience
Nice work. Car runs great.


How much does Spark Plug Replacement cost in Williamsburg?

It depends on the type of car you drive and the auto repair shop you go to in Williamsburg. Our mechanics in Williamsburg are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office in Williamsburg.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2014 Ford F-150 $235 $115.04 $119.98 14% $276.29
2005 Dodge Ram 2500 $278 $198.00 $79.99 9% $305.50
2004 Honda S2000 $173 $93.00 $79.99 13% $200.50
2004 BMW Z4 $174 $94.26 $79.99 13% $201.76
2005 Audi A8 Quattro $206 $125.68 $79.99 11% $233.18
2015 Audi S8 $293 $213.12 $79.99 8% $320.62

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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.

Fast and easy service at your home or office

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Backed by 12-month, 12.000-mile guarantee


How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1-800-701-6230 · hi@yourmechanic.com