Spark Plug Replacement at your home or office in Santa Clara.

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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 Santa Clara

Excellent Rating


YourMechanic Spark Plug Replacement Service in Santa Clara

Average Rating

4.9/5

Number of Reviews

8

Rating Summary
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Honorio

18 years of experience
774 reviews
Honorio
18 years of experience
Honorio was great! Arrived right on time. In addition to the recommended work, helped to clean the throttle body and MAF sensor. I drove the car for the first time after work and it is working good. I will update if any issues come up.
Honorio was very patient and methodical and thorough. He knew all of the tricks to make the job go smoothly, but took the time to do it right. He was easy to talk to and was happy to explain things when I asked questions. This was my first experience with YourMechanic.com, and it turned out to be better than expected. I waited two days to write this review to ensure no engine leaking or other problems cropped up. The car is running beautifully and I haven't seen a single drip on the pavement or under the hood.

Richard

20 years of experience
15 reviews
Richard
20 years of experience
First time working with Richard. He was efficient, courteous and personable. Would definitely recommend!

Robert

30 years of experience
572 reviews
Robert
30 years of experience
Great experience, and will absolutely go with Robert again.

Tom

41 years of experience
205 reviews
Tom
41 years of experience
Tom was very friendly and easy going. He has good sense of humor and was always on time. I wanted to get my spark plugs replaced for my 2010 BMW 5 series. However he did not have the right socket for the spark plugs. So we had to reschedule. It took 2 more appointments to finally get the right socket. It was frustrating because I had to be there for all 3 appointments for 1.5 hrs each. But we persisted and it got fixed.

Trung

11 years of experience
408 reviews
Trung
11 years of experience
Trung did a great job!

Miguel

11 years of experience
2 reviews
Miguel
11 years of experience
Great experience, super quick, knowledgeable, and personable. Would highly recommend.

Pardeep

20 years of experience
620 reviews
Pardeep
20 years of experience
Pleasant mechanic and works fast.

Chuck

9 years of experience
134 reviews
Chuck
9 years of experience
Prompt and professional, very satisfied

Sami

20 years of experience
69 reviews
Sami
20 years of experience
Very knowledgable and I appreciate that he took the time to show me the issues and explain everything that was happening with the car.

Joe

19 years of experience
126 reviews
Joe
19 years of experience
Joe is always amazing. Hes very professional and guarantee to get the job done. I would definitely recommend him! Also I wish it was a way to tip.


How much does Spark Plug Replacement cost in Santa Clara?

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

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2016 Ford F-150 $246 $85.64 $159.98 18% $300.64
2010 Mercury Mountaineer $109 $29.16 $79.99 20% $136.66
2015 GMC Savana 2500 $337 $193.38 $143.98 12% $386.88
2010 Infiniti G37 $414 $269.59 $143.98 10% $463.09
2010 Infiniti FX50 $441 $304.91 $135.98 9% $487.66
2016 Jaguar XJ $481 $216.80 $263.96 15% $571.55

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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