Audi 100 Ignition Coil Replacement at your home or office.

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Ignition Coil Replacement Estimate for Audi 100

Audi 100 Ignition Coil Replacement costs $336 on average.

CarServiceEstimateShop/Dealer Price
1993 Audi 100V6-2.8LService typeIgnition Coil ReplacementEstimate$638.05Shop/Dealer Price$799.57 - $1228.99
1990 Audi 100L5-2.3LService typeIgnition Coil ReplacementEstimate$520.15Shop/Dealer Price$651.92 - $998.34
1992 Audi 100V6-2.8LService typeIgnition Coil ReplacementEstimate$628.05Shop/Dealer Price$786.80 - $1214.14
1994 Audi 100V6-2.8LService typeIgnition Coil ReplacementEstimate$628.05Shop/Dealer Price$786.76 - $1214.07
1989 Audi 100L5-2.3LService typeIgnition Coil ReplacementEstimate$520.15Shop/Dealer Price$651.95 - $998.39
1991 Audi 100L5-2.3LService typeIgnition Coil ReplacementEstimate$520.15Shop/Dealer Price$651.92 - $998.34
Show example Audi 100 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.

Excellent Rating

(30)

Rating Summary
27
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2
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27
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2
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1

Bereketeab

7 years of experience
110 reviews
Bereketeab
7 years of experience
Audi 100 V6-2.8L - Spark Plugs - Sacramento, California
Goes above and beyond, helped save my coil pack when a plug wire was stuck in it. He didn't give up and got it out and finished the job.

Frank

8 years of experience
130 reviews
Frank
8 years of experience
Audi 100 V6-2.8L - Pre-purchase Car Inspection - Chicago, Illinois
Frank was great - kept me informed and performed a solid inspection of a vintage car that I was purchasing 800 miles from home.

Charles

34 years of experience
342 reviews
Charles
34 years of experience
Audi A3 L4-2.0L Turbo - Ignition Coil - Austin, Texas
Charles is a professional, courteous and efficient. Shows up on time as scheduled and solved the problem like an engineer. I'll definitely book him again in the near future... Highly recommended!

Richard

11 years of experience
450 reviews
Richard
11 years of experience
Audi S8 V8-4.0L Turbo - Ignition Coil - Katy, Texas
Great feedback on the work done previously by a reputable shop. The didn't torc the spark plugs correctly. Great price and service. Will use again definitely!

Excellent Rating

(30)

Rating Summary
27
0
2
0
1
27
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2
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1
Number of Audi Ignition Coil Replacement services completed
330+
services done by our mechanics
TOTAL NUMBER OF EXPERT Audi MECHANICS
700+
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