Audi A8 Ignition Coil Replacement at your home or office.

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Ignition Coil Replacement Estimate for Audi A8

Audi A8 Ignition Coil Replacement costs $193 on average.

CarServiceEstimateShop/Dealer Price
1998 Audi A8V8-3.7LService typeIgnition Coil ReplacementEstimate$294.75Shop/Dealer Price$370.44 - $542.39
1999 Audi A8V8-3.7LService typeIgnition Coil ReplacementEstimate$284.75Shop/Dealer Price$357.67 - $527.54
1997 Audi A8V8-3.7LService typeIgnition Coil ReplacementEstimate$296.75Shop/Dealer Price$372.67 - $551.54
Show example Audi A8 Ignition Coil Replacement prices

Ignition Coil Replacement Service

What is an ignition coil and how does it work?

An ignition coil transforms ignition voltage (12 volts) to the very high voltage pulses (20,000 volts or more) that fire the spark plugs. The number of ignition coils varies depending on car model and year of production. Older cars will have one coil covering all engine cylinders while newer cars may have a coil-on-plug type arrangement — that is every cylinder will have its own dedicated ignition coil.

Ignition Coils

When to consider replacing an ignition coil:

  • Hard starting or no start. Ignition coils are subject to heat damage and electrical overload, both of which can cause partial or total failure. If the coil is faulty, you may have difficulty starting your car or it may not start at all.
  • Misfiring, loss of power, poor acceleration. Once the car is running, a bad ignition coil can cause poor operation of the engine. Should you have misfiring or loss of power, faulty ignition coils would be among the list of causes a mechanic would investigate. The Check Engine Light will often come on with a trouble code(s) indicating which cylinders are involved.

How do mechanics replace the ignition coil?

  • The ignition is checked to assure it is in the “off” position.
  • For single coils that supply all cylinders, the coil is disconnected from either a bracket located in the engine compartment or, in some cases, is removed from within the distributor. The replacement coil is secured and all electrical connections reattached. If the distributor was removed for any reason, the timing is adjusted as required.
  • For individual coil-on-plug applications, the coil is detached from the top of the individual spark plug and replaced.
  • Once the coil is securely in place, all electrical connections are reattached, and timing adjusted as needed, the car is road tested to ensure normal operation.

Is it safe to drive with an ignition coil problem?

Yes. A malfunctioning ignition coil will cause loss of power and lower fuel efficiency but that will not present an immediate safety issue. If the coil malfunction is causing misfiring, this will allow unburned fuel to enter and permanently damage the catalytic converter from overheating.

When replacing an ignition coil keep in mind:

  • Ignition coil failure can be caused by faulty spark plugs or wires. The mechanic will inspect and may recommend replacement of those components.
  • In a coil-on-plug ignition system, if only one coil fails, you need only replace the faulty coil. Remaining functioning coils can be left in place.
  • In systems with the coil located in the distributor, it may be more cost-effective to replace the entire distributor rather than remove and replace just the coil.

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Meet some of our expert Audi mechanics

Real customer reviews from Audi owners like you.

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Rating Summary
27
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Johnathan

7 years of experience
74 reviews
Johnathan
7 years of experience
Audi A6 Quattro L4-2.0L Turbo - Ignition Coil - Arnold, Missouri
Johnathan was very professional and did an amazing job on my Audi A6

Shaun

16 years of experience
238 reviews
Shaun
16 years of experience
Audi A8 Quattro V8-4.2L - Ignition Coil - Campbell, California
Great

Ruben

14 years of experience
86 reviews
Ruben
14 years of experience
Audi A4 L4-2.0L Turbo - Ignition Coil - Valencia, California
Ruben is Awesome. He explained what he's doing and why and also gave recommendations on how to help maintain my car

Ronnaldo

11 years of experience
47 reviews
Ronnaldo
11 years of experience
Audi A4 L4-2.0L Turbo - Ignition Coil - Riverdale, Georgia
Thanks to Ronnaldo I was able to get my car fixed on the day I scheduled, probably not at the time I was scheduled because I overslept and didn't hear my phone when he called for my 730am appointment. But thanks to him he called me a few hours later to let me know he could still come fix the issue with my car. So I am very appreciative of the dedication. Also he even went above and beyond to inform me that my coils may still be under warranty so I called AutoZone and they were and he went to AutoZone and picked up all 4 coils and replaced them!

Excellent Rating

(30)

Rating Summary
27
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2
0
1
27
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Number of Audi Ignition Coil Replacement services completed
330+
services done by our mechanics
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