Spark Plug Replacement at your home or office in Carpentersville.

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Average rating from customers who
received a Spark Plugs Replacement.
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$96.47 - $616.68

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 Carpentersville

Excellent Rating


YourMechanic Spark Plug Replacement Service

Average Rating

4.9/5

Number of Reviews

3,721

Rating Summary
3,505
129
16
15
56
3,505
129
16
15
56

David

15 years of experience
599 reviews
David
15 years of experience
Wonderful service. David arrived on time, he is very friendly and genuine, quality of his work exceeds expectation. My car is running ten times better than ever before. Thank so much.
David arrived with a big smile, professional and business like. He arrived timely and replaced my spark plugs and did not seem to mind me observing him executing with care and skill. The plugs were indeed in need of replacement. He made a number of recommendations of needed repairs both orally and electronically. David further suggests having a diagnostic done to uncover things that aren't always visible to the naked eye. other possible concerns. Pat L.

Chris

21 years of experience
1679 reviews
Chris
21 years of experience
Chris arrived early, did a great job, was informative, courteous, all around 5 stars! I highly recommend him and the entire YourMechanic.com process!
A++++ This was my second appointment with Chris. He arrived ahead of schedule, installed new spark plugs and gave an excellent assessment of the suspension system. He is extremely knowledgeable about Mercedes. I saved time and money using this valuable service. Highly recommended !!!

Danny

10 years of experience
269 reviews
Danny
10 years of experience
I am satisfied with the work Danny did on my car. He changed my spark plugs and he told me what the other repairs were that I needed. He cleaned my garage when he was finished working on my car, and he completed the job in good time.

Torrieanto

11 years of experience
502 reviews
Torrieanto
11 years of experience
Very professional, excellent work, and friendly. Thank you!!

Chris

19 years of experience
407 reviews
Chris
19 years of experience
Punctual, prompt, accurate, and excellent service

Jesse

8 years of experience
12 reviews
Jesse
8 years of experience
On time - Knowledgeable - Will use again - No more going to places that tell you to leave the car and they will get to it by end of the day and try and sell you something that you do not need - Jesse was great !

Duy

14 years of experience
18 reviews
Duy
14 years of experience
Very proffessional, I sure would call Duy for the next service on my BMW.

Edgar

7 years of experience
34 reviews
Edgar
7 years of experience
Was very helpful and got my spark plugs replaced quickly and efficiently. Hes a very good mechanic.

Luke

15 years of experience
138 reviews
Luke
15 years of experience
Today I got my car serviced by Luke. I was told that it would take 3 hours. But actually he completed his work within 1.5 hours. I was really amazed that he is so knowledgeable of my car. He is honest and I am now a big fan of him. I replaced my spark plugs together with wires, and after his did it, noise disappeared completely and regained the original power. I got the quote from some other shops, but it cost almost double. He offered perfect service with lowest cost. Next time I will definitely book Luke.

Jason

16 years of experience
429 reviews
Jason
16 years of experience
Jason is very knowledgeable and was very helpful in making me understand what was going on with the car. Also seemed very honest about services that the car may not need as they wouldn't harm the overall performance or cause additional issues. The issues that he did find that need to be worked on will definitely be another call to this service.


How much does Spark Plug Replacement cost in Carpentersville?

It depends on the type of car you drive and the auto repair shop you go to in Carpentersville. Our mechanics in Carpentersville 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 Carpentersville.

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2014 Buick Regal $139 $58.68 $79.99 16% $166.18
2005 GMC Sierra 2500 HD $422 $261.60 $159.98 11% $476.60
2005 Chrysler Crossfire $349 $124.69 $223.97 18% $425.69
2005 Infiniti FX45 $555 $371.27 $183.97 10% $618.52
2015 Mercedes-Benz C250 $166 $86.36 $79.99 14% $193.86
2016 Porsche 911 $300 $163.93 $135.98 13% $346.68

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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.

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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