Spark Plug Replacement at your home or office in Caldwell.

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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 Caldwell

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

Patrick

32 years of experience
1067 reviews
Patrick
32 years of experience
Always friendly and informative. Great job.
Efficient and pleasant. Will use again.

Jeffrey

26 years of experience
849 reviews
Jeffrey
26 years of experience
This was my first time using a mobile mechanic service. I was a little scared to try it. But Jeff made it an awesome experience. He was extremely thorough. I will be booking him again soon.
Jeffrey did an awesome job and by car is running better than it ever had before ! He had everything completed in a very timely fashion

Nathaniel

9 years of experience
152 reviews
Nathaniel
9 years of experience
Nathaniel came early and ready to go! He was super informative and even let me know where I could save money on my repair! I will definitely be giving him a call if I need repairs in the future!

Ricardo

13 years of experience
339 reviews
Ricardo
13 years of experience
Ricardo did awesome job with spark plus & valve cover gasket replacement. Also gave advice & notified me about a broke and bad ingnition coil . Great customer service

Logan

48 years of experience
82 reviews
Logan
48 years of experience
Logan is courteous and professional. Great service!

Bryant

11 years of experience
316 reviews
Bryant
11 years of experience
Thorough, knowledgeable, corteous, professional , stayed late on a cold night troubleshooting what was going on with the car, returned the following day to troubleshoot what the issue with the car was once I informed him it was still having issues, stayed late and put in much time and effort maintaining a positive attitude the entire time. Would recommend Bryant to anyone needing work done. A class act.

Attila

18 years of experience
476 reviews
Attila
18 years of experience
Attila arrived 2 hours ahead of time as per my request since there was a rain forecast during my original appointment time. Very nice and honest person. He performed my valve cover gasket and spark plug replacement with great care.

Guillermo

8 years of experience
27 reviews
Guillermo
8 years of experience
Great service! He is very helpful and honest.

Shaun

9 years of experience
542 reviews
Shaun
9 years of experience
Good job performed and identified a couple of other issues for later repair. thanks

Michael

13 years of experience
55 reviews
Michael
13 years of experience
Great service.


How much does Spark Plug Replacement cost in Caldwell?

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

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2012 Ford Escape $136 $55.72 $79.99 16% $163.22
2015 Aston Martin Rapide $470 $325.97 $143.98 9% $519.47
2009 Hummer H3T $272 $104.13 $167.97 17% $329.88
2013 Land Rover LR4 $404 $260.48 $143.98 10% $453.98
2008 Cadillac DTS $280 $111.97 $167.97 17% $337.72
2015 BMW M235i $267 $123.36 $143.98 15% $316.86

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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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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