24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
A-Premium Labor Day Deals Up to 15% OFFA-Premium Labor Day Deals Up to 15% OFF

Popular vehicles

Ignition Coil

3422 items

Shop precise fit replacement Ignition Coil to maintain and improve your vehicle's performance. Find the right parts for your make and model, backed by excellent customer service at A-Premium.

  • All filters
  • Sort By
  • Year
  • Make
  • Model
  • Price
  • Placement on Vehicle
  • Brand
  • Color
  • Warranty
1 pc Ignition Coil | 3-Blade Terminal | Aisin ESCM-005721 pc Ignition Coil | 3-Blade Terminal | Aisin ESCM-00572
AisinPart # ESCM-00572
1 pc Ignition Coil | 3-Blade Terminal | Aisin ESCM-00572
4.6586 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2017 - 2020 Mitsubishi Mirage, 2022 - 2024 Mitsubishi Mirage G4, 2021 - 2024 Mitsubishi Mirage, 2017 - 2021 Mitsubishi Mirage G4, 2014 - 2015 Mitsubishi Mirage
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
1832A057
ConditionNew
item #10186L99
Show less
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCAZ-00099
AisinPart # ESCAZ-00099
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCAZ-00099
4.6586 Reviews
$32.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2008 - 2009 Hummer H2, 2016 - 2019 Chevrolet Suburban 3500 HD, 2007 - 2009 GMC Sierra 1500, 2006 - 2007 Cadillac CTS, 2008 - 2014 GMC Savana 1500, 2009 - 2012 Chevrolet Colorado, 2007 - 2009 Chevrolet Tahoe, 2007 - 2014 GMC Yukon, 2008 - 2017 Chevrolet Express 2500, 2010 - 2015 Chevrolet Camaro, 2007 - 2013 Chevrolet Avalanche, 2016 - 2019 Chevrolet LCF 4500, 2009 - 2020 GMC Savana 4500, 2003 - 2010 Chevrolet W4500 Tiltmaster, 2009 - 2020 Chevrolet Express 4500, 2008 - 2009 Saab 9-7x, 2008 - 2017 GMC Savana 2500, 2006 - 2009 Chevrolet Trailblazer, 2013 - 2013 Chevrolet Silverado 1500, 2008 - 2014 Chevrolet Express 1500
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
12570616, 12611424
ConditionNew
item #10186H0Q
Show less
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCAZ-00262
AisinPart # ESCAZ-00262
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCAZ-00262
4.6586 Reviews
$52.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994 - 1994 Ford Mustang, 1995 - 1997 Ford Thunderbird, 1990 - 1995 Ford Thunderbird, 1996 - 2000 Ford Mustang, 2000 - 2000 Mazda MPV, 1998 - 2000 Ford Ranger, 1999 - 2000 Mercury Cougar, 1998 - 2000 Ford E-250 Econoline, 1989 - 1990 Mercury Cougar, 1995 - 1996 Jaguar XJ12, 1998 - 2000 Ford E-150 Econoline Club Wagon, 1996 - 1999 Mercury Sable, 1995 - 2000 Mercury Mystique, 1995 - 2000 Ford Windstar, 1998 - 2000 Mazda B3000, 1998 - 2000 Ford F-150, 1998 - 2000 Ford E-150 Econoline, 1995 - 1997 Mercury Cougar, 1995 - 2000 Ford Windstar, 1996 - 1999 Ford Taurus
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
6630365, 6958305, E9SZ12029A, F5SZ12029A, 919F12029AA, E9SF12029AA
ConditionNew
item #10186K9T
Show less
1 pc Ignition Coil | 3-Blade Terminal | Aisin ESCVG-00704
AisinPart # ESCVG-00704
1 pc Ignition Coil | 3-Blade Terminal | Aisin ESCVG-00704
4.6586 Reviews
$32.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1993 - 1993 Volkswagen Jetta, 1992 - 1992 Volkswagen Transporter, 1993 - 1993 Volkswagen Jetta, 1990 - 1992 Volkswagen Golf, 1996 - 1997 Volkswagen Golf, 1995 - 2002 Volkswagen Cabrio, 1999 - 1999 Volkswagen Jetta, 1992 - 1996 Volkswagen EuroVan, 1998 - 1998 Volkswagen Golf, 1999 - 1999 Volkswagen Jetta, 2001 - 2003 Volkswagen EuroVan, 1993 - 1993 Volkswagen Transporter, 1995 - 1996 Volkswagen Passat, 1995 - 1998 Volkswagen Jetta
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
6N0905104, 6N0905114
ConditionNew
item #10186HX7
Show less
8 pc Ignition Coil | Aisin ESCFD-00307
AisinPart # ESCFD-00307
8 pc Ignition Coil | Aisin ESCFD-00307
4.6586 Reviews
$166.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2011 - 2016 Ford F-150, 2011 - 2015 Ford Mustang
Check if this fits your vehicle
Quantity8
Item LocatedUnited States
Part interchange
BR3Z12029A
ConditionNew
item #10189PCU
Show less
8 pc Ignition Coil | Aisin ESCFD-00275
AisinPart # ESCFD-00275
8 pc Ignition Coil | Aisin ESCFD-00275
4.6586 Reviews
$200.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2018 - 2019 Ford E-450 Super Duty, 2018 - 2022 Ford F-350 Super Duty, 2018 - 2022 Ford F-250 Super Duty, 2018 - 2019 Ford E-350 Super Duty
Check if this fits your vehicle
Quantity8
Item LocatedUnited States
Part interchange
HL3Z12029C
ConditionNew
item #10189NZS
Show less
8 pc Ignition Coil | 4-Blade Terminal | Aisin ESCAZ-00100
AisinPart # ESCAZ-00100
8 pc Ignition Coil | 4-Blade Terminal | Aisin ESCAZ-00100
4.6586 Reviews
$200.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008 - 2009 Hummer H2, 2016 - 2019 Chevrolet Suburban 3500 HD, 2007 - 2009 GMC Sierra 1500, 2006 - 2007 Cadillac CTS, 2008 - 2014 GMC Savana 1500, 2009 - 2012 Chevrolet Colorado, 2007 - 2009 Chevrolet Tahoe, 2007 - 2014 GMC Yukon, 2008 - 2017 Chevrolet Express 2500, 2010 - 2015 Chevrolet Camaro, 2007 - 2013 Chevrolet Avalanche, 2016 - 2019 Chevrolet LCF 4500, 2009 - 2020 GMC Savana 4500, 2003 - 2010 Chevrolet W4500 Tiltmaster, 2009 - 2020 Chevrolet Express 4500, 2008 - 2009 Saab 9-7x, 2008 - 2017 GMC Savana 2500, 2006 - 2009 Chevrolet Trailblazer, 2013 - 2013 Chevrolet Silverado 1500, 2008 - 2014 Chevrolet Express 1500
Check if this fits your vehicle
Quantity8
Item LocatedUnited States
Part interchange
12570616, 12611424
ConditionNew
item #10186NCC
Show less
1 pc Ignition Coil | 2-Blade Terminal | Aisin ESCAZ-00223
AisinPart # ESCAZ-00223
1 pc Ignition Coil | 2-Blade Terminal | Aisin ESCAZ-00223
4.6586 Reviews
$23.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2007 - 2007 Chrysler Aspen, 2002 - 2008 Jeep Liberty, 2006 - 2007 Jeep Commander, 1999 - 2007 Jeep Grand Cherokee, 2005 - 2008 Jeep Grand Cherokee, 2006 - 2008 Mitsubishi Raider, 2000 - 2007 Dodge Durango, 2006 - 2007 Mitsubishi Raider, 2006 - 2008 Jeep Commander, 2007 - 2008 Dodge Nitro, 2004 - 2008 Dodge Dakota, 2000 - 2007 Dodge Dakota, 2002 - 2002 Dodge Ram 1500, 2004 - 2008 Dodge Durango, 2002 - 2008 Dodge Ram 1500, 2002 - 2007 Dodge Ram 1500
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
56028138AB, 56028138AD, 56028138AE, 56028138AF, 56028138BA
ConditionNew
item #10186P3P
Show less
8 pc Ignition Coil | Aisin ESCGM-00121
AisinPart # ESCGM-00121
8 pc Ignition Coil | Aisin ESCGM-00121
4.6586 Reviews
$200.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2007 - 2011 Buick Lucerne, 2007 - 2010 Cadillac STS, 2007 - 2009 Cadillac SRX, 2007 - 2009 Cadillac XLR, 2007 - 2009 Cadillac STS, 2007 - 2011 Cadillac DTS
Check if this fits your vehicle
Quantity8
Item LocatedUnited States
Part interchange
12597745, 19421260, 42597745
ConditionNew
item #10189R1Q
Show less
4 pc Ignition Coil | Aisin ESCVG-00059
AisinPart # ESCVG-00059
4 pc Ignition Coil | Aisin ESCVG-00059
4.6586 Reviews
$99.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2020 - 2023 Volkswagen Atlas Cross Sport, 2017 - 2020 Audi Q5, 2022 - 2024 Volkswagen Golf R, 2015 - 2018 Volkswagen Golf R, 2020 - 2023 Audi S8, 2020 - 2021 Audi Q3, 2018 - 2019 Volkswagen Tiguan, 2015 - 2018 Volkswagen Golf, 2021 - 2024 Audi RS6 Avant, 2022 - 2024 Audi Q5, 2015 - 2024 Audi A6 Quattro, 2017 - 2024 Audi A4 Quattro, 2015 - 2023 Volkswagen GTI, 2021 - 2022 Audi A7 Sportback, 2018 - 2024 Audi A5 Sportback, 2018 - 2023 Audi A5 Quattro, 2018 - 2019 Volkswagen Passat, 2016 - 2018 Audi A6, 2014 - 2017 Volkswagen Beetle, 2015 - 2015 Volkswagen Golf
Check if this fits your vehicle
Quantity4
Item LocatedUnited States
Part interchange
06H905110G, 06H905110L, 06H905110P, 06J905110D, 06J905110E, 06J905110F, 06J905110G, 06J905110K, 
...View more
ConditionNew
item #10189SSS
Show less
1 pc Ignition Coil | 2-Blade Terminal | Aisin ESCFD-00254
AisinPart # ESCFD-00254
1 pc Ignition Coil | 2-Blade Terminal | Aisin ESCFD-00254
4.6586 Reviews
$32.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1985 - 1994 FORD TEMPO, 1984 - 1996 FORD F-150, 1977 - 1977 LINCOLN MARK V, 1984 - 1997 FORD F-250, 1996 - 1997 FORD ECONOLINE SUPER DUTY, 1994 - 1994 MAZDA B3000, 1990 - 1997 FORD PROBE, 1984 - 1995 MERCURY COUGAR, 1986 - 1997 FORD AEROSTAR, 1984 - 1994 LINCOLN CONTINENTAL, 1984 - 1995 FORD THUNDERBIRD, 1992 - 1992 Ford F-700, 1984 - 1994 MERCURY TOPAZ, 1984 - 1992 LINCOLN MARK VII, 1983 - 1995 FORD MUSTANG, 1984 - 1991 FORD LTD CROWN VICTORIA, 1988 - 1997 Ford F53, 1982 - 1987 MERCURY LYNX, 1987 - 1991 FORD COUNTRY SQUIRE, 1994 - 1997 MAZDA 626
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
B7A12200A, D5PZ12200A, D6TZ12200A, D7TE12200BA, E1EF12029AA, E2EF12029AA, E2FZ12029A, E2PJ12200AA, 
...View more
ConditionNew
item #10186HPL
Show less
1 pc Ignition Coil | 2-Blade Terminal | Aisin ESCCH-00183
AisinPart # ESCCH-00183
1 pc Ignition Coil | 2-Blade Terminal | Aisin ESCCH-00183
4.6586 Reviews
$32.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2001 - 2005 Chrysler Sebring, 1998 - 2004 Dodge Intrepid, 1998 - 2004 Chrysler Concorde, 1998 - 2004 Chrysler Intrepid, 2005 - 2005 Dodge Magnum, 2001 - 2005 Dodge Stratus, 2005 - 2005 Chrysler 300
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
4609095AD, 4609095AE, 4609095AF, 4609095AG, 4609095AH, 4609095AI, 4609095AJ
ConditionNew
item #10186L5S
Show less
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCF-00655
AisinPart # ESCF-00655
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCF-00655
4.6586 Reviews
$52.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2005 Subaru Legacy, 1997 - 1999 Subaru Legacy, 1999 - 2004 Subaru Impreza, 1999 - 2001 Subaru Impreza, 1997 - 2004 Subaru Legacy, 2005 - 2005 Subaru Outback, 2003 - 2006 Subaru Baja, 2000 - 2004 Subaru Outback, 1999 - 2004 Subaru Forester
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
22433AA41A, 22433AA41B, 22433AA570
ConditionNew
item #10186LLY
Show less
1 pc Ignition Coil | Aisin ESCAZ-00370
AisinPart # ESCAZ-00370
1 pc Ignition Coil | Aisin ESCAZ-00370
4.6586 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2021 - 2023 Kia Seltos, 2018 - 2021 Hyundai Kona, 2016 - 2016 Kia Optima, 2017 - 2017 Kia Forte Koup, 2019 - 2021 Hyundai Veloster, 2016 - 2019 Hyundai Sonata, 2018 - 2024 Kia Forte, 2015 - 2020 Hyundai Elantra, 2017 - 2020 Kia Optima, 2017 - 2017 Kia Forte, 2020 - 2023 Kia Soul, 2015 - 2015 Hyundai Sonata
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
273002E601
ConditionNew
item #10185A4Q
Show less
8 pc Ignition Coil | Aisin ESCAZ-00225
AisinPart # ESCAZ-00225
8 pc Ignition Coil | Aisin ESCAZ-00225
4.6586 Reviews
$145.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2007 - 2007 Chrysler Aspen, 2000 - 2007 Dodge Durango, 2006 - 2007 Mitsubishi Raider, 2006 - 2007 Jeep Commander, 2000 - 2007 Dodge Dakota, 1999 - 2007 Jeep Grand Cherokee, 2002 - 2007 Dodge Ram 1500
Check if this fits your vehicle
Quantity8
Item LocatedUnited States
Part interchange
56028138AB, 56028138AD, 56028138AE, 56028138AF, 56028138BA
ConditionNew
item #10189REY
Show less
8 pc Ignition Coil | Aisin ESCAZ-00253
AisinPart # ESCAZ-00253
8 pc Ignition Coil | Aisin ESCAZ-00253
4.6586 Reviews
$100.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2007 - 2012 Ford Mustang, 1999 - 2004 Lincoln Navigator, 1997 - 1998 Lincoln Mark VIII, 2001 - 2002 Qvale Mangusta, 2001 - 2007 Panoz Esperante, 2005 - 2006 Ford GT, 2001 - 2001 Ford Mustang, 1998 - 2002 Lincoln Continental, 2003 - 2005 Lincoln Aviator, 2002 - 2002 Lincoln Blackwood, 2003 - 2004 Ford Mustang, 2005 - 2007 Avanti Avanti, 2013 - 2014 Ford Mustang, 2003 - 2004 Mercury Marauder, 1999 - 1999 Ford Mustang, 1999 - 2000 Panoz AIV Roadster
Check if this fits your vehicle
Quantity8
Item LocatedUnited States
Part interchange
1F3U12029AA, 2C6U12A366AC, 2C6Z12029AA, 4L7Z12029AA, 4L7Z12029AB, D7LZ12029AD, F7LU12029AC, F7LU12A366AD, 
...View more
ConditionNew
item #10189PV1
Show less
6 pc Ignition Coil | Aisin ESCGM-00118
AisinPart # ESCGM-00118
6 pc Ignition Coil | Aisin ESCGM-00118
4.6586 Reviews
$153.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2018 - 2020 Buick Regal Sportback, 2019 - 2025 Chevrolet Blazer, 2016 - 2018 Cadillac CT6, 2020 - 2021 Cadillac XT6, 2017 - 2019 Buick LaCrosse, 2017 - 2022 Chevrolet Colorado, 2023 - 2023 Cadillac XT6, 2020 - 2021 Cadillac CT5, 2021 - 2021 Cadillac XT6, 2017 - 2021 Cadillac XT5, 2016 - 2019 Cadillac ATS, 2016 - 2021 Chevrolet Camaro, 2017 - 2019 GMC Canyon, 2016 - 2020 Cadillac CT6, 2016 - 2019 Cadillac CTS, 2023 - 2023 Cadillac XT5, 2016 - 2020 GMC Acadia
Check if this fits your vehicle
Quantity6
Item LocatedUnited States
Part interchange
12666339, 12707304
ConditionNew
item #10189QDV
Show less
6 pc Ignition Coil | Aisin ESCVG-00619
AisinPart # ESCVG-00619
6 pc Ignition Coil | Aisin ESCVG-00619
4.6586 Reviews
$225.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2015 - 2018 Porsche Macan, 2017 - 2018 Porsche Macan, 2014 - 2016 Porsche Panamera, 2015 - 2018 Porsche Cayenne
Check if this fits your vehicle
Quantity6
Item LocatedUnited States
Part interchange
94660210400, 94660210401, 94660210402, 94660210403
ConditionNew
item #10189Q6L
Show less
1 pc Ignition Coil | 7-Pin Terminal | Aisin ESCGM-00737
AisinPart # ESCGM-00737
1 pc Ignition Coil | 7-Pin Terminal | Aisin ESCGM-00737
4.6586 Reviews
$70.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2011 - 2016 Chevrolet Cruze
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
55570160, 96476979
ConditionNew
item #10186HAG
Show less
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCN-00581
AisinPart # ESCN-00581
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCN-00581
4.6586 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2018 - 2021 Nissan Kicks, 2021 - 2022 Nissan Rogue, 2024 - 2024 Nissan Versa, 2024 - 2024 Nissan Kicks, 2019 - 2024 Nissan Altima, 2020 - 2021 Nissan Versa
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
224485RL0A, 224486CA1A
ConditionNew
item #10186HG8
Show less
Page 54 of 172

Premium Automotive Ignition Coils | Restore Engine Power & Fuel Efficiency

Are you experiencing rough idling, engine misfires, or a sudden drop in fuel economy? It might be time for an ignition coil replacement. As a heart of your vehicle's ignition system, a reliable automotive ignition coil transforms your battery's low voltage into the thousands of volts required to create an electric spark in the spark plugs, keeping your engine running smoothly.

At A-Premium, we provide OE-matching car ignition coil solutions designed to eliminate misfires, restore lost horsepower, and ensure reliable cold starts in any weather condition.

Anatomy of an A-Premium engine ignition coil

Anatomy of an A-Premium Engine Ignition Coil

To understand what makes a high-performance engine ignition coil, let’s look inside its core engineering:

  1. Integrated Driving Circuit: Features a compact, smart-integrated electronic chip at the top of the coil to ensure precise ignition timing and robust thermal resistance.
  2. Superior Quality Components & Materials: Wrapped with high-grade copper wire and premium epoxy resin insulation to prevent voltage leaks and withstand extreme under-hood heat.
  3. Rigorously Tested & Inspected: 100% factory stress-tested against thermal shock and vibration to guarantee long-lasting durability.
  4. Diagonal Windings Technology: Eliminates heavy, sectioned bobbins through advanced space-saving diagonal winding, significantly reducing the overall size and weight while maximizing energy output.

Our Advantages: Built for Real-World Driving Scenarios

Our automotive ignition coil lineup is engineered to solve everyday driving pains:

  • The Daily Commute (Stop-and-Go Traffic): Misfires often happen when idling at red lights. Our coils deliver stable, continuous voltage output, eliminating rough idles and ensuring seamless acceleration.
  • Extreme Weather Performance: Cheap coils crack under freezing winter temperatures or intense summer engine heat. Our high-dielectric epoxy coatings prevent micro-cracks, ensuring your engine fires up instantly on the first crank.
  • Fuel & Emission Savings: A weak spark leads to unburnt fuel. Upgrading your worn car ignition coil ensures complete combustion, optimizing your MPG and helping you pass emissions tests effortlessly.

Smart Buyer’s Guide: How to Choose the Best Ignition Coil

Navigating the market for an engine ignition coil can be confusing. Here is what smart buyers look for to get the perfect match:

1. Matching by Vehicle Make & Fitment (The #1 Priority)

Ignition systems are highly sensitive. A generic coil will cause error codes. Most users search and filter by their vehicle’s specific Year, Make, and Model, such as Ford EcoBoost, Honda VTEC, or Toyota VVT-i systems. Always use our fitment selector at the top of the page to find the exact OEM specification for your car.

2. When to Buy an Ignition Coil & Spark Plug Kit? (The Smart Money Move)

Should you buy them together? 90% of mechanics recommend it.

  • The Reason: A worn, old spark plug has a wider gap, which forces the engine ignition coil to work twice as hard to bridge that gap. This extra workload overheats the coil and burns it out prematurely.
  • The Strategy: If your vehicle has crossed 80,000 miles and you are doing an ignition coil replacement, always buy a complete coil and spark plug kit. It saves you from tearing down the engine twice and protects your new investment.

Replacement Checklist: When to Replace vs. When to Keep

Not every engine hiccup requires a new coil. Use this quick checklist to decide your next move:

Time to Replace if:

  • You have a confirmed OBD-II trouble code between P0300 to P0308, indicating a specific cylinder misfire.
  • The plastic housing of the coil shows visible hairline cracks, melting, or burning.
  • Your vehicle has passed 100,000 miles, as ignition coils are wear items and generally degrade after this milestone.

Do NOT Replace Yet if:

  • Your car won't crank at all. This is usually a dead battery or starter motor issue, not the ignition coil.
  • You have a misfire code but haven't checked for oil leaks. Often, a leaking valve cover gasket floods the spark plug well with oil, causing a short circuit. Simply cleaning the oil and replacing the gasket might fix the issue without needing a new coil.

Frequently Asked Questions (FAQ)

Can I replace just one faulty ignition coil, or should I replace them all at once?

If your vehicle has low mileage, replacing just the single failed car ignition coil is perfectly fine. However, if your car has over 80,000 miles, all the coils have experienced the same amount of heat and stress. When one fails, the others are usually close behind. Replacing the whole set at once ensures consistent engine balance and saves on future labor costs.

What are the most common symptoms of a failing engine ignition coil?

The most prominent signs include a flashing Check Engine Light, sudden engine shaking, especially at idle or under load, poor fuel economy, backfiring, and a noticeable hesitation or jerking when you step on the gas pedal.

How long does a typical automotive ignition coil last?

High-quality OEM-grade ignition coils are built to last between 80,000 to 100,000 miles. However, exposure to excessive engine vibration, oil leaks from a failing valve cover gasket, or neglected, worn-out spark plugs can drastically shorten their lifespan.

Will changing my ignition coils improve my gas mileage?

Yes. If your current coils are weak or failing, they create incomplete combustion in the cylinders, meaning your engine is literally throwing away unburnt fuel through the exhaust. Performing an ignition coil replacement restores 100% combustion efficiency, bringing your fuel economy back to factory-fresh levels.

Is it safe to drive with a misfiring ignition coil?

No, you should avoid it. Driving with a failed ignition coil means unburnt raw fuel is entering your exhaust system. This fuel will quickly ignite inside your catalytic converter, overheating it and melting its internal structure. A catalytic converter replacement is significantly more expensive than a simple ignition coil swap.

Related Blogs

Hard Start in Hot Weather? Testing Your Fuel Pump and Ignition Coil for Heat Soak

Heat soak is a "final warning" for aging parts. This guide dives into why fuel pumps and ignition coils fail in high heat and how to professionally diagnose these faults to solve your car’s hot-weather starting issues.

Aug 17, 2026

P0301 Code: Cylinder 1 Misfire Diagnosis and Fix

Experiencing engine issues? The P0301 code signals a cylinder 1 misfire, impacting performance and fuel efficiency. Discover the causes, symptoms, and effective fixes to quickly get your engine back to optimal performance.

Aug 10, 2026

P0351: Ignition Coil A Primary/Secondary Circuit Malfunction

Decode the P0351 Ignition Coil A fault. Learn its meaning, symptoms, and causes like failed coils or bad wiring. Master the DIY diagnosis, including the coil swap test, to avoid costly PCM replacements and restore engine performance efficiently.

Aug 10, 2026

P0306 Code: Cylinder 6 Misfire Causes, Diagnosis, and Fix

Decode the P0306 Cylinder 6 Misfire code. This step-by-step guide helps you pinpoint the exact cause, avoid unnecessary part replacements, reduce repair costs, and prevent severe engine damage.

Aug 10, 2026

P0302 Code: How to Diagnose and Fix a Cylinder 2 Misfire

The P0302 diagnostic trouble code indicates a misfire condition in cylinder 2 of the engine. Specifically, the P0302 code is triggered when the engine control module (ECM) detects that cylinder 2 is not firing properly or is experiencing a misfire.

Jul 30, 2026