Spark Plug Replacement at your home or office in Douglassville.

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Service Area

Average rating from customers who
received a Spark Plugs Replacement.
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$96.47 - $642.49

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 Douglassville

Excellent Rating


YourMechanic Spark Plug Replacement Service

Average Rating

4.9/5

Number of Reviews

3,638

Rating Summary
3,423
128
16
15
56
3,423
128
16
15
56

Peter

41 years of experience
1259 reviews
Peter
41 years of experience
Once again Pete was outstanding! He was early and finshed the job in no time at all. We will continue to use Pete whenever we have a car problem! He's part of our family now! Thanks again Pete!
Exceeded expectations as always!

Brett

23 years of experience
164 reviews
Brett
23 years of experience
Highly recommend Brett. Expert Technician! Very Professional, Prompt, friendly, & efficient! Arrived on site early and completed the repairs quicker than expected.

Colin

25 years of experience
94 reviews
Colin
25 years of experience
Amazing guy. Knows a lot about cars. Was able to talk to him the entire time he changed my spark plugs. Really funny and interesting guy to chat with!

Jacob

13 years of experience
74 reviews
Jacob
13 years of experience
Got me back on the road!

Hani

18 years of experience
80 reviews
Hani
18 years of experience
Prompt arrival and excellent service!

Joseph

18 years of experience
436 reviews
Joseph
18 years of experience
Joseph was very professional, came right on time if not a little bit early. Always lets you know what is going on and informing you of any changes as soon as possible. The car is running great now. I would highly recommend him and have already done so to some friends. We were very pleased with everything.

Chris

13 years of experience
312 reviews
Chris
13 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.

Jeffrey

23 years of experience
105 reviews
Jeffrey
23 years of experience
Amazing person. He put me at ease immediately. Carefully explained the issue and what needed to be done along with details on what to do if this occured in the future. The price was very reasonable as well. Thank you for hiring great people like Happy. Would have given him 10 stars but you only offered 5.

Caster

26 years of experience
176 reviews
Caster
26 years of experience
Work was done much faster than expected!

Robert

40 years of experience
232 reviews
Robert
40 years of experience
Robert was late only due to the fact that he had been dispatched to the wrong address. Otherwise I was completely satisfied with every aspect of Roberts work and professionalism.


How much does Spark Plug Replacement cost in Douglassville?

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

Cars Estimate Parts Cost Labor Cost Savings Average Dealer Price
2014 Ferrari FF $1623 $1479.21 $143.98 2% $1672.71
2008 Toyota Corolla $139 $59.44 $79.99 16% $166.94
2014 Dodge Durango $206 $86.08 $119.98 16% $247.33
2015 Land Rover LR2 $115 $35.32 $79.99 19% $142.82
2004 Lexus GS430 $239 $118.88 $119.98 14% $280.13
2010 Porsche Boxster $232 $120.36 $111.98 14% $270.86

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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.

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