Mercury Monterey Ignition Coil Replacement at your home or office.

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Ignition Coil Replacement Estimate for Mercury Monterey

Mercury Monterey Ignition Coil Replacement costs $403 on average.

CarServiceEstimateShop/Dealer Price
2005 Mercury MontereyV6-4.2LService typeIgnition Coil ReplacementEstimate$684.16Shop/Dealer Price$833.79 - $1235.24
2006 Mercury MontereyV6-4.2LService typeIgnition Coil ReplacementEstimate$650.16Shop/Dealer Price$799.82 - $1201.29
2004 Mercury MontereyV6-4.2LService typeIgnition Coil ReplacementEstimate$578.62Shop/Dealer Price$710.39 - $1058.21
2007 Mercury MontereyV6-4.2LService typeIgnition Coil ReplacementEstimate$650.16Shop/Dealer Price$799.78 - $1201.22
Show example Mercury Monterey 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 Mercury mechanics

Real customer reviews from Mercury owners like you.

Excellent Rating

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Rating Summary
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Norberto

14 years of experience
6 reviews
Norberto
14 years of experience
Mercury Monterey V6-4.2L - Spark Plugs - Austell, Georgia
I love that you tell us not only about what you fix, but also what we need to GET fixed. 10/10 Highly Recommended

Krystal

17 years of experience
106 reviews
Krystal
17 years of experience
Mercury Monterey V6-4.2L - Spark Plugs - Chicago, Illinois
Krystal was great! Showed up on time, and completed the work in a very timely manner.

Ramon

20 years of experience
166 reviews
Ramon
20 years of experience
Mercury Monterey V6-4.2L - Alternator - Tucson, Arizona
Very Pleased with Ramon's service visit, He was on time greeted me and wanted to know if I had any further questions, explained what he would be doing and went right to work, shortly after he noticed my radiator hose was about to burst, so I asked if I would go purchase a hose for my van could he stay and fix that in addition to replacing my alternator he replied Yes Sir, no problem. It ended up taking me a little over an hour to find a radiator hose and I was worried Ramon might get upset but he was there waiting for me with the old busted hose already off and ready for the new one. He is very skilled and knowledgeable with his service he provides I would highly recomend him to anyone needed a good solid well versed mechanic. I am glad I found him great guy, Thanks Ramon

Kyle

12 years of experience
137 reviews
Kyle
12 years of experience
Mercury Monterey V6-4.2L - Brake Pads Replacement (Front, Rear) - Philadelphia, Pennsylvania
Very good , on time and very informative

Excellent Rating

(18)

Rating Summary
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Number of Mercury Monterey services completed
198+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercury MECHANICS
600+
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