Mazda Protege5 Ignition Coil Replacement at your home or office.

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$138.54 - $148.54

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Ignition Coil Replacement Estimate for Mazda Protege5

Mazda Protege5 Ignition Coil Replacement costs $144 on average.

CarServiceEstimateShop/Dealer Price
2002 Mazda Protege5L4-2.0LService typeIgnition Coil ReplacementEstimate$202.09Shop/Dealer Price$243.15 - $339.81
2003 Mazda Protege5L4-2.0LService typeIgnition Coil ReplacementEstimate$202.09Shop/Dealer Price$243.21 - $339.91
Show example Mazda Protege5 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 Mazda mechanics

Real customer reviews from Mazda owners like you.

Excellent Rating

(61)

Rating Summary
57
3
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LAVELL

26 years of experience
63 reviews
LAVELL
26 years of experience
Mazda Protege5 - Ignition Coil - Oakland, California
Lavell was next-level helpful in getting my car running and working with my budget. He’s also helpful in breaking down exactly what’s going on with the car and is just a nice human to talk to. I can’t explain how much I appreciate him, thanks Lavell!

Raul

33 years of experience
285 reviews
Raul
33 years of experience
Mazda Protege5 - Timing Belt - Oakland, California

Mike

21 years of experience
53 reviews
Mike
21 years of experience
Mazda Protege5 - Radiator - Atlanta, Georgia
Informative about my car and fun to talk to. My car has been running perfectly. A completely ideal experience.

Joel

29 years of experience
44 reviews
Joel
29 years of experience
Mazda Protege5 - Radiator - Phoenix, Arizona
Joel is not only an expert mechanic but has an outstanding personality that quickly makes you feel at ease he is extremly paitient his customer service skills are spot he is truly an asset to your company i am more than satisfied with my experience thank you very much

Excellent Rating

(61)

Rating Summary
57
3
0
0
1
57
3
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1
Number of Mazda Protege5 services completed
671+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mazda MECHANICS
1000+
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