Audi A6 Spark Plug Replacement at your home or office.

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Spark Plug Replacement Estimate for Audi A6

Audi A6 Spark Plug Replacement costs $318 on average.

CarServiceEstimateShop/Dealer Price
2000 Audi A6V6-2.8LService typeSpark Plug ReplacementEstimate$586.96Shop/Dealer Price$737.51 - $1084.41
2003 Audi A6V6-3.0LService typeSpark Plug ReplacementEstimate$636.00Shop/Dealer Price$798.30 - $1192.29
2017 Audi A6L4-2.0L TurboService typeSpark Plug ReplacementEstimate$195.19Shop/Dealer Price$236.41 - $332.12
1996 Audi A6V6-2.8LService typeSpark Plug ReplacementEstimate$544.44Shop/Dealer Price$683.77 - $1009.03
1999 Audi A6V6-2.8LService typeSpark Plug ReplacementEstimate$567.96Shop/Dealer Price$713.30 - $1056.29
2001 Audi A6V6-2.8LService typeSpark Plug ReplacementEstimate$567.96Shop/Dealer Price$713.24 - $1056.20
2013 Audi A6L4-2.0L TurboService typeSpark Plug ReplacementEstimate$280.67Shop/Dealer Price$351.08 - $513.96
1995 Audi A6V6-2.8LService typeSpark Plug ReplacementEstimate$553.94Shop/Dealer Price$694.13 - $1020.03
Show example Audi A6 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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Meet some of our expert Audi mechanics

Real customer reviews from Audi owners like you.

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Jeremy

15 years of experience
482 reviews
Jeremy
15 years of experience
A6 2012 - Spark Plugs - Boynton Beach, FL
Very knowledgeable

Marco

24 years of experience
157 reviews
Marco
24 years of experience
A6 2000 - Oil/Fluid Leak - Riverside, CA
I will definitely call again.

Jim

30 years of experience
147 reviews
Jim
30 years of experience
A6 2018 - Pre-purchase Car Inspection - Dublin, CA
Friendly and knowledgeable. Would be happy to work with him again.

Brian

20 years of experience
539 reviews
Brian
20 years of experience
A6 2010 - Coolant is leaking - Jacksonville, FL
Brian was very helpful and knowledgeable. Customer service was amazing!!

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Number of Audi A6 Spark Plugs Replacement services completed
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