Spark Plug Replacement at your home or office in Warminster.

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Service Area

Average rating from customers who
received a Spark Plugs Replacement.
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$96.47 - $648.09

Price range for all vehicles


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Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

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

Excellent Rating


YourMechanic Spark Plug Replacement Service

Average Rating

4.9/5

Number of Reviews

3,498

Rating Summary
3,290
125
16
15
52
3,290
125
16
15
52

David

40 years of experience
220 reviews
David
40 years of experience
Mr. David is an awesome mechanic; super job. Thanks David

Nathaniel

8 years of experience
120 reviews
Nathaniel
8 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!

Richard

9 years of experience
265 reviews
Richard
9 years of experience
He did an awesome job.

John

18 years of experience
411 reviews
John
18 years of experience
John was very professional and went above and beyond expectations. I would highly recommend.

Joe

18 years of experience
123 reviews
Joe
18 years of experience
He fixed my car and he did it fast that's all I care about will always request Joe to fix my car if he is not available I will wait!!!!!!! Excellent work

Chris

14 years of experience
229 reviews
Chris
14 years of experience
Good Mechanic. Very good with Toyotas!

Isai

25 years of experience
230 reviews
Isai
25 years of experience
Isai was great and I will be using Your Mechanic for all repairs. Its so nice to not feel like a mechanic is taking advantage he was fantastic.

Carlos

14 years of experience
362 reviews
Carlos
14 years of experience
YourMechanic sent Carlos to change the spark plugs and some coolant hoses on my Toyota Sienna. He did a really great job and I was very happy with his work. We ran into some trouble because of all the plastic parts in the engine and how brittle they had become from the engine's heat, but Carlos was able to get everything fixed. He is honest and is very careful about his work. He is also very friendly and enjoys talking to the customer while he's working. Next time I need work I'll be asking for Carlos again.

Joshua

25 years of experience
709 reviews
Joshua
25 years of experience

Maxwell

16 years of experience
390 reviews
Maxwell
16 years of experience
He was on time and very informative.


How much does Spark Plug Replacement cost in Warminster?

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

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2012 Kia Forte Koup $226 $146.20 $79.99 10% $253.70
2004 Scion xA $98 $17.92 $79.99 21% $125.42
2009 Chevrolet Express 2500 $350 $205.55 $143.98 12% $399.05
2011 Audi Q7 $974 $637.80 $335.95 10% $1089.30
2006 Mercedes-Benz S500 $616 $375.70 $239.97 11% $698.20
2007 Mercedes-Benz SL55 AMG $623 $358.88 $263.96 12% $713.63

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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