Lexus RX330 Spark Plug Replacement at your home or office.

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Spark Plug Replacement Service

How much does a Spark Plug Replacement cost?

On average, the cost for a Lexus RX330 Spark Plug Replacement is $670 with $334 for parts and $336 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2006 Lexus RX330V6-3.3LService typeSpark Plug ReplacementEstimate$1071.90Shop/Dealer Price$1255.51 - $1769.47
2004 Lexus RX330V6-3.3LService typeSpark Plug ReplacementEstimate$1019.28Shop/Dealer Price$1194.20 - $1701.65
2005 Lexus RX330V6-3.3LService typeSpark Plug ReplacementEstimate$1048.47Shop/Dealer Price$1224.16 - $1732.18
Show example Lexus RX330 Spark Plug Replacement prices

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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Meet some of our expert Lexus mechanics

Real customer reviews from Lexus owners like you.

Excellent Rating

(6)

Rating Summary
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Paul

30 years of experience
151 reviews
Paul
30 years of experience
RX330 2005 - Spark Plugs - Raleigh, NC
Paul did a good job when I called him to replace the spark plugs and transmission fluid.

Alexander

5 years of experience
126 reviews
Alexander
5 years of experience
RX330 2004 - Emergency / Parking Brake Shoe - West Jefferson, OH
I had never heard of your mechanic but I am so GLAD that I did. My Lexus had a parking break issue so I could not move it. Alex came and looked over my SUV and verified it was the parking break but he also found that my rear brakes and rotors were horrible. When we tried to start it he found out the alternator was prohibiting it starting even tho I just got a new battery. Alex had to come back to do all of the work but it is done and we are grateful. Alex is so nice and so extremely knowledgeable. He is VERY car smart but humble. Answered every question we had. Just so grateful he was our mechanic for my vehicle. The price was VERY reasonable. We will definitely use your mechanic again and hopefully we will be able to get Alex.

Rodney

30 years of experience
574 reviews
Rodney
30 years of experience
RX330 2005 - Loud screeching noise when I start the car - Sacramento, CA
Very helpful

Christopher

10 years of experience
97 reviews
Christopher
10 years of experience
RX330 2006 - Battery - Charlotte, NC
Chris got there early, kindly answered all of my questions, and went above and beyond with helping fix my car.

Excellent Rating

(6)

Rating Summary
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Number of Lexus RX330 Spark Plug Replacement services completed
66+
services done by our mechanics
TOTAL NUMBER OF EXPERT Lexus MECHANICS
1100+
experts on our platform

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