Toyota Prius Spark Plug Replacement at your home or office.

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Spark Plug Replacement Estimate for Toyota Prius

Toyota Prius Spark Plug Replacement costs $179 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$142 to $251
Labor: $80 -$162
Parts: $62 -$89
Average Dealer price
$230 to 368
Average Shop price
$175 to 286
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Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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CarServiceEstimateShop/Dealer Price
2009 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$224.59Shop/Dealer Price$271.27 - $384.81
2005 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$224.59Shop/Dealer Price$271.33 - $384.91
2001 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$229.59Shop/Dealer Price$275.61 - $388.65
2013 Toyota PriusL4-1.8L HybridService typeSpark Plug ReplacementEstimate$271.73Shop/Dealer Price$331.16 - $476.00
2014 Toyota PriusL4-1.8L HybridService typeSpark Plug ReplacementEstimate$305.73Shop/Dealer Price$366.21 - $511.84
2008 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$229.59Shop/Dealer Price$274.74 - $387.13
2006 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$229.59Shop/Dealer Price$274.89 - $387.40
2004 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$224.59Shop/Dealer Price$270.66 - $383.74
Show example Toyota Prius Spark Plug Replacement prices

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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Excellent Rating


YourMechanic Toyota Prius Spark Plugs Replacement Service

Average Rating

4.8/5

Number of Reviews

27

Rating Summary
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Meet some of our expert Toyota mechanics

Real customer reviews from Toyota owners like you.

Robert

31 years of experience
191 reviews
Robert
31 years of experience
Toyota Prius - Spark Plugs - San Jose, California
Rob was amazing and I will definitely request him for my next service. Great customer service, not only showed up on time but was early, didn't pressure me to rush out when he was finished, and explained his recommendations but did not try to push them on me. Everyone in and around San Jose should use him if he is not already booked!

Christopher

19 years of experience
199 reviews
Christopher
19 years of experience
Toyota Prius - Spark Plug Replacement - Brooksville, Florida
He was right on time. Was pleasent and professional. This was the first time I used this service and will definitely use again.

Chris

15 years of experience
273 reviews
Chris
15 years of experience
Toyota Prius - Spark Plug Replacement - San Diego, California
Chris was very informative about his recommendations. He actually showed up 45min early for the scheduled appointment. Did a great job. Thanks again.

Joe

42 years of experience
752 reviews
Joe
42 years of experience
Toyota Prius - Spark Plugs - Tampa, Florida
I received a tune up, and a air cabin filter replacement. Joe also inspected my car and stated that it was in good condition. He is affordable and fair. He did not try to get me to get unneeded maintenance completed on the vehicle. I will definitely be using his services again,
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceEstimateShop/Dealer Price
2009 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$224.59Shop/Dealer Price$271.27 - $384.81
2005 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$224.59Shop/Dealer Price$271.33 - $384.91
2001 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$229.59Shop/Dealer Price$275.61 - $388.65
2013 Toyota PriusL4-1.8L HybridService typeSpark Plug ReplacementEstimate$271.73Shop/Dealer Price$331.16 - $476.00
2014 Toyota PriusL4-1.8L HybridService typeSpark Plug ReplacementEstimate$305.73Shop/Dealer Price$366.21 - $511.84
2008 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$229.59Shop/Dealer Price$274.74 - $387.13
2006 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$229.59Shop/Dealer Price$274.89 - $387.40
2004 Toyota PriusL4-1.5L HybridService typeSpark Plug ReplacementEstimate$224.59Shop/Dealer Price$270.66 - $383.74
Show example Toyota Prius Spark Plug Replacement prices

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