Updated October 2, 2026
Ignition coil replacement averages $238-$320 in RepairPal’s national estimate, including $164-$211 in parts and $74-$109 in labor. Taxes, fees and location adjustments are excluded. Your bill depends on the ignition system, which coils failed and access. Ask whether the quote covers one coil, a shared coil pack or a complete set.
Before approving a set, request two prices: the confirmed repair and the extra cost of replacing additional coils during the same visit. That comparison is more useful than multiplying an online replacement average by the cylinder count.
How much does ignition coil replacement cost?
The RepairPal national estimate, updated September 3, 2026 and checked October 2, is a planning reference rather than a quote for your car. The headline does not establish a full-set quantity for every ignition design.
These exact-year RepairPal pages show their own parts and labor breakdowns. They exclude taxes and fees, do not adjust for your location, and may require related repairs. Neither headline specifies an engine variant or a full-set replacement scope.
| Exact-year estimate | Parts, USD | Labor, USD | Published total, USD |
|---|---|---|---|
| 2018 Honda Civic ignition coil replacement | $106-$108 | $61-$90 | $167-$198 |
| 2018 Ford F-150 ignition coil replacement | About $133 | $61-$90 | $194-$222 |
Both pages display a September 3, 2026 estimate update. Use their published totals, which can reflect rounded underlying amounts. Ask for your VIN, engine and replacement quantity on the written estimate before comparing it with either entry.
Is an ignition coil the same as a coil pack?
The term on a quote should identify the actual part your engine uses. DENSO’s replacement guidance describes block, distributor, stick and coil-on-plug designs, along with different connectors and shapes. It recommends identifying the application by VIN or original-equipment part number.
RepairPal explains that one coil can serve several plugs on an older distributor system, while other vehicles use one coil per spark plug. Ask the shop to translate its parts list into plain terms: what is being replaced, and which cylinder or cylinders does it serve?
| Description on the estimate | Clarifying question |
|---|---|
| One individual coil | Which tested failure does it address? |
| Coil pack or shared assembly | How many cylinders does this particular part serve? |
| Set of individual coils | How many parts are included, and why each one? |
| Coils plus plugs | Which are failed repairs and which are scheduled maintenance? |
Do I need to replace one ignition coil or all of them?
Start with the tested fault, then evaluate the added work separately. RepairPal’s diagnostic guidance calls for examining the affected cylinder’s components on a one-coil-per-plug system, testing the suspected coil and replacing it if faulty. A symptom or fault code alone is a reason to test.
Ask for a base estimate that fixes the confirmed failure. If the shop recommends additional coils, ask what makes replacing them now worthwhile on your engine: another tested fault, part condition or access that would otherwise have to be repeated. Request the incremental price rather than a second unrelated total.
| Comparison entry | What to record from the shop |
|---|---|
| B: confirmed repair | Total for the tested failure and required associated work |
| P: extra coils | Added parts cost for the proposed additional quantity |
| L: added labor | Extra labor while access is already available |
| F: added charges | Additional listed fees or tax |
| Expanded repair total | B + P + L + F |
Use only charges not already included in B. Choose the confirmed repair when the other coils test satisfactorily and the optional work offers little value to you. Consider a set when the technician explains the condition or access reason and the added price fits your plan for the vehicle. There is no useful universal cylinder-count multiplier.
Why can ignition-coil labor cost more on one engine?
Access changes the work. DENSO says some applications require intake-manifold removal to reach the coils. Ask whether the quote includes that removal, replacement sealing parts and reassembly.
Compare the same access scope between shops. If plugs are due and share the disassembly, request a combined estimate showing the added plug work. The spark-plug replacement cost guide explains the separate maintenance and parts questions to settle before approval.
Why should the cause be corrected before fitting another coil?
A replacement lasts longer when the underlying problem is addressed. DENSO’s coil-failure guidance calls for checks including cracks, carbon tracking, wiring condition, battery supply and oil or water contamination. Its engine-management catalog specifically says to determine the root cause when a coil is defective.
If the inspection finds contamination or damaged wiring, ask the shop to show where it originated and price that correction. Put the confirmed coil repair and cause correction together in the estimate, then keep optional preventive parts separate. That makes a repeat-failure risk visible before you choose the cheapest-looking total.
DENSO also explains that an excessively wide plug gap increases the voltage demand on the coil. Have the plug condition and vehicle’s maintenance requirements assessed instead of assuming a new coil settles every ignition problem.
Can I keep driving with a bad ignition coil?
A flashing check-engine light or severe rough running calls for prompt assistance. The 2022 Ram 2500/3500 owner’s manual warns that a flashing malfunction indicator can signal serious conditions involving power loss or catalytic-converter damage. Follow the instructions in your own vehicle’s manual and arrange help if the light flashes or the vehicle runs badly.
That warning identifies urgency, not the failed component. Tell the technician when the rough running began and whether the light is steady or flashing. Diagnosis still determines whether the repair is a coil, another ignition component or a different system.
Common questions
Does a P0351 code prove the coil needs replacement?
No. DENSO lists other possible triggers, including circuit, wiring and connector problems. Ask which test confirmed the part failure.
Should the replacement have the same connector as the old one?
The part must match the vehicle application. DENSO recommends VIN or original part-number matching because coil type, connector and shape vary.
Does clearing the code finish the repair?
Ask how the technician confirmed correct running afterward. DENSO’s installation guidance includes starting the engine to check coil operation as well as clearing relevant codes.
Will an inexpensive coil work as well?
Choose an application-correct part with an explained brand and warranty. RepairPal recommends parts meeting original-equipment standards or better; price alone does not establish quality.
Can fuel delivery cause similar rough running?
Yes. Use the fuel-injection symptoms guide to discuss fuel-system concerns, while the technician confirms which system is responsible.
Bottom line: Pay for a tested coil failure and its cause, then judge any proposed extra coils by their incremental parts and shared-access labor.
For a Rowlett-area vehicle, Accelerate Auto Repair and Collision’s engine and transmission repair service is the local destination for discussing an ignition repair estimate.