Save Up to 15% on Back to School Auto Parts
24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
A-Premium Back to School Car Deals Up to 15% OFFA-Premium Back to School Car Deals Up to 15% OFF

Popular vehicles

Ignition Coil

3415 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
Delphi GN10114 Ignition CoilDelphi GN10114 Ignition Coil
DelphiPart # GN10114
Delphi GN10114 Ignition Coil
51 Reviews
$89.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2005 Buick Rainier, 2002-2002 Chevrolet Trailblazer EXT, 2002-2005 Chevrolet Trailblazer, 2003-2005 Chevrolet Trailblazer EXT, 2004-2006 Chevrolet Colorado, 2002-2002 GMC Envoy XL, 2002-2004 GMC Envoy, 2003-2005 GMC Envoy XL, 2004-2005 GMC Envoy XUV, 2004-2006 GMC Canyon, 2005-2005 GMC Envoy, 2006-2006 Hummer H3, 2003-2005 Isuzu Ascender, 2006-2006 Isuzu i-280, 2006-2006 Isuzu i-350, 2007-2007 Isuzu i-370, 2007-2008 Isuzu i-290, 2008-2008 Isuzu Ascender, 2002-2004 Oldsmobile Bravada, 2005-2005 Saab 9-7x
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10114, 5C1392, 26342, C1395, 12 56 8062, 921-2003, 8Q5, 19300921, 
...View more
item #1001VX1N
Note
L6 Fully Integrated Coil & Module. Includes Captured Bolt and Boot Asm.
Show less
Delphi GN10370 Ignition Coil
DelphiPart # GN10370
Delphi GN10370 Ignition Coil
51 Reviews
$56.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2006 Acura RSX, 2004-2008 Acura TSX, 2007-2012 Acura RDX, 2000-2009 Honda S2000, 2002-2009 Honda CR-V, 2002-2011 Honda Civic, 2003-2007 Honda Accord, 2003-2011 Honda Element
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10370, 5C1140, 5C1382, 5C1440, 5C1636, 5C1639, 23-0165, C1265, 
...View more
item #1001W1A9
Show less
Delphi GN10177 Ignition Coil
DelphiPart # GN10177
Delphi GN10177 Ignition Coil
51 Reviews
$76.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1988-1997 Ford Ranger, 1991-1993 Ford Escort, 1991-1993 Ford Mustang, 1992-1997 Ford Crown Victoria, 1994-1995 Ford Escort, 1994-1996 Ford Escort, 1994-1996 Ford Escort, 1994-1997 Ford Thunderbird, 1995-1995 Ford Contour, 1995-1995 Ford Contour, 1995-1998 Ford Contour, 1996-1998 Ford Mustang, 1996-2001 Ford Explorer, 1997-1999 Ford E-150 Econoline, 1997-1999 Ford E-150 Econoline Club Wagon, 1997-1999 Ford Expedition, 1997-1999 Ford F-150, 1997-1999 Ford F-250, 1997-2003 Ford Escort, 1998-2001 Ford Ranger
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10177, 5C1117, C924, F510, CLS1033, 920-1013, 7A4, 60-3000, 
...View more
item #1001VSUY
Note
4 Female & Round HV Towers
Show less
Ignition Coil - Delphi GN10229
DelphiPart # GN10229
Ignition Coil - Delphi GN10229
51 Reviews
$45.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2007 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2011 Ford Focus, 2007-2011 Ford Focus, 2007-2011 Ford Focus, 2009-2011 Ford Focus, 2010-2010 Ford Transit Connect, 2011-2012 Ford Transit Connect, 2013-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10229, 5C1443, C1453, CLS1042, CLS1044, 921-2065, 673-6010, 4M5Z 12029-BA, 
...View more
item #1001VWUR
Note
Coil comes with Boot
Show less
Ignition Coil - Delphi GN10274
DelphiPart # GN10274
Ignition Coil - Delphi GN10274
51 Reviews
$39.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1991-1996 Dodge Stealth, 1995-1998 Eagle Talon, 1995-1995 Land Rover Range Rover, 1996-1998 Land Rover Discovery, 1996-1998 Land Rover Range Rover, 1997-1997 Land Rover Defender 90, 1999-1999 Land Rover Discovery, 1991-1999 Mitsubishi 3000GT, 1992-1995 Mitsubishi Diamante, 1995-1996 Mitsubishi Montero, 1995-1998 Mitsubishi Eclipse, 1995-1999 Mitsubishi Eclipse, 1996-1999 Mitsubishi Eclipse, 1999-1999 Mitsubishi Eclipse
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10274, 5C1106, 23-0333, C1018, C-509, C-518, E559D, 729 29002, 
...View more
item #1001VUR4
Show less
Ignition Coil - Delphi GN10290
DelphiPart # GN10290
Ignition Coil - Delphi GN10290
51 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994-1996 Honda Passport, 1988-1988 Isuzu Trooper, 1988-1989 Isuzu Pickup, 1989-1989 Isuzu Amigo, 1989-1991 Isuzu Trooper, 1990-1990 Isuzu Pickup, 1990-1994 Isuzu Amigo, 1991-1994 Isuzu Pickup, 1991-1994 Isuzu Pickup, 1991-1997 Isuzu Rodeo, 1995-1995 Isuzu Pickup
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10290, 5C1142, 23-0291, C-879, D503A, D555, E547, E572C, 
...View more
item #1001VWQ4
Show less
Ignition Coil - Delphi GN10615
DelphiPart # GN10615
Ignition Coil - Delphi GN10615
51 Reviews
$209.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2010 Suzuki Grand Vitara, 2010-2010 Suzuki Kizashi, 2010-2010 Suzuki Kizashi, 2010-2013 Suzuki Kizashi, 2010-2013 Suzuki Kizashi, 2010-2013 Suzuki SX4, 2011-2011 Suzuki Kizashi, 2011-2012 Suzuki Kizashi, 2011-2012 Suzuki Kizashi, 2011-2013 Suzuki Grand Vitara, 2011-2013 Suzuki Kizashi, 2011-2013 Suzuki Kizashi, 2013-2013 Suzuki Kizashi, 2013-2013 Suzuki Kizashi, 2013-2013 Suzuki Kizashi
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10615, 5C1789, 23-0568, C1732, E1134, 921-2163, 178-8504, IC737SB, 
...View more
item #1001W83V
Show less
Delphi GN10168 Ignition Coil
DelphiPart # GN10168
Delphi GN10168 Ignition Coil
51 Reviews
$44.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-2008 Acura TL, 2001-2003 Acura CL, 2001-2009 Acura MDX, 2005-2008 Acura RL, 1999-2010 Honda Odyssey, 2000-2007 Honda Accord, 2001-2001 Honda Civic, 2002-2005 Honda Civic, 2003-2008 Honda Pilot, 2006-2008 Honda Ridgeline, 2004-2007 Saturn Vue
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10168, 5C1013, 5C1451, 5C1461, 5C1562, 5C1634, 26266, 26346, 
...View more
item #1001VV55
Note
Coil has Seal and Small Boot
Show less
Ignition Coil - Delphi GN10446
DelphiPart # GN10446
Ignition Coil - Delphi GN10446
51 Reviews
$30.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2006 Audi A6 Quattro, 2005-2008 Audi A4 Quattro, 2005-2008 Audi A4 Quattro, 2006-2006 Audi A6, 2006-2007 Audi A4, 2007-2007 Audi A6, 2007-2008 Audi A4 Quattro, 2007-2008 Audi A6 Quattro, 2007-2009 Audi A8 Quattro, 2007-2009 Audi A8 Quattro, 2007-2009 Audi S8, 2007-2010 Audi Q7, 2007-2011 Audi S6, 2008-2008 Audi A4, 2008-2008 Audi A6, 2008-2009 Audi A5 Quattro, 2008-2011 Audi S5, 2008-2012 Audi R8, 2009-2009 Audi A4 Quattro, 2009-2009 Audi A6 Quattro
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10446, 5C1618, 5C1688, SC1846, 23-0121, C1631, C1789, 921-2182, 
...View more
item #1001W55V
Show less
Ignition Coil - Delphi GN10845
DelphiPart # GN10845
Ignition Coil - Delphi GN10845
51 Reviews
$56.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1985-1985 Mercedes-Benz 190E, 1986-1987 Mercedes-Benz 190E, 1986-1989 Mercedes-Benz 300E, 1987-1987 Mercedes-Benz 190E, 1987-1989 Mercedes-Benz 260E, 1988-1989 Mercedes-Benz 300CE, 1988-1991 Mercedes-Benz 300SE, 1988-1991 Mercedes-Benz 300SEL, 1988-1992 Mercedes-Benz 300TE, 1988-1993 Mercedes-Benz 190E, 1990-1992 Mercedes-Benz 300E, 1990-1992 Mercedes-Benz 500SL, 1993-1993 Mercedes-Benz 300E, 1993-1993 Mercedes-Benz 300TE
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10845, 5C1222, C926, E630, E630P, 729 33010, 729 33010 101, 178-8232, 
...View more
item #1001WC9S
Show less
Ignition Coil - Delphi GN10180
DelphiPart # GN10180
Ignition Coil - Delphi GN10180
51 Reviews
$98.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1995 Ford Thunderbird, 1994-1994 Ford Mustang, 1995-1995 Ford Contour, 1995-1995 Ford Contour, 1995-1995 Ford Contour, 1995-1995 Ford Thunderbird, 1995-2000 Ford Windstar, 1996-1997 Ford Thunderbird, 1996-1999 Ford Taurus, 1996-2000 Ford Contour, 1996-2000 Ford Mustang, 1998-2000 Ford E-150 Econoline, 1998-2000 Ford E-150 Econoline Club Wagon, 1998-2000 Ford E-250 Econoline, 1998-2000 Ford F-150, 1998-2000 Ford Ranger, 1995-1996 Jaguar XJ12, 1998-2000 Mazda B3000, 2000-2001 Mazda MPV, 1989-1990 Mercury Cougar
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10180, 5C1123, 26325, C901, CLS1051, 920-1014, 7A3, 60-3002, 
...View more
item #1001VSC3
Note
6 Overmolded HV Towers
Show less
Delphi GN10369 Ignition Coil
DelphiPart # GN10369
Delphi GN10369 Ignition Coil
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2009 Acura TSX, 2010-2014 Acura TSX, 2013-2015 Acura ILX, 2008-2012 Honda Accord, 2010-2014 Honda CR-V, 2012-2015 Honda Civic, 2012-2015 Honda Crosstour
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10369, 5C1683, 5C1719, 23-0181, C1626, C1662, CLS1326, 921-2149, 
...View more
item #1001VZSE
Show less
Ignition Coil - Delphi GN10415
DelphiPart # GN10415
Ignition Coil - Delphi GN10415
51 Reviews
$52.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2001-2005 Kia Rio
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10415, 5C1184, 230213, C1325, F565, E365, 178-8406, 36-1202, 
...View more
item #1001W7DG
Show less
Ignition Coil - Delphi GN10544
DelphiPart # GN10544
Ignition Coil - Delphi GN10544
51 Reviews
$66.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1986-1987 Acura Integra, 1985-1987 Honda Prelude, 1986-1987 Honda Civic, 1986-1987 Honda Civic, 1986-1987 Honda Civic, 1986-1987 Honda Civic, 1986-1987 Honda Civic, 1986-1987 Honda Wagovan, 1986-1989 Honda Accord, 1987-1987 Honda Civic, 1987-1987 Honda Civic, 1988-1991 Honda Prelude
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10544, 5C1001, 23-0284, C928, E539, 729 21001, 729 21001 614, 30500-PE0-006, 
...View more
item #1001W8C4
Show less
Ignition Coil - Delphi GN10388
DelphiPart # GN10388
Ignition Coil - Delphi GN10388
51 Reviews
$47.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1996 Chrysler Cirrus, 1995-1996 Chrysler Sebring, 1996-1996 Chrysler Sebring, 1995-1996 Dodge Avenger, 1995-1996 Dodge Neon, 1995-1996 Dodge Stratus, 1995-1996 Dodge Stratus, 1996-1996 Dodge Caravan, 1996-1996 Dodge Grand Caravan, 1995-1996 Eagle Talon, 1996-1996 Eagle Talon, 1988-1989 Ford Festiva, 1995-1996 Mitsubishi Eclipse, 1995-1996 Mitsubishi Eclipse, 1996-1996 Mitsubishi Eclipse, 1995-1996 Plymouth Neon, 1996-1996 Plymouth Breeze, 1996-1996 Plymouth Grand Voyager, 1996-1996 Plymouth Voyager
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10388, 5C1089, 5C1090, 26339, C1136, C940, C526, E563A, 
...View more
item #1001VY6N
Show less
Delphi GN10216 Ignition Coil
DelphiPart # GN10216
Delphi GN10216 Ignition Coil
51 Reviews
$35.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1986-1988 Chevrolet Spectrum, 1989-1989 Geo Spectrum, 1993-1994 Geo Prizm, 1995-1995 Geo Prizm, 1986-1988 Isuzu I-Mark, 1989-1989 Isuzu I-Mark, 1988-1989 Toyota Corolla, 1993-1994 Toyota Corolla, 1994-1995 Toyota Celica, 1995-1995 Toyota Corolla
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10216, 5C1073, 23-0322, C972, E536, E570, E596, CLS1101, 
...View more
item #1001VVPW
Note
U Shaped Output Terminal
Show less
Delphi GN10178 Ignition Coil
DelphiPart # GN10178
Delphi GN10178 Ignition Coil
51 Reviews
$80.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1989-1995 Ford Taurus, 1990-1994 Ford Aerostar, 1990-2011 Ford Ranger, 1991-1995 Ford Explorer, 1993-1995 Ford Taurus, 1995-1997 Ford Aerostar, 1995-1997 Ford Ranger, 1996-2010 Ford Explorer, 1997-1997 Ford E-150 Econoline, 1997-1997 Ford E-150 Econoline Club Wagon, 1997-1997 Ford E-250 Econoline, 1997-1997 Ford F-150, 1998-2000 Ford Ranger, 2001-2003 Ford Explorer Sport, 2001-2005 Ford Explorer Sport Trac, 2005-2010 Ford Mustang, 2007-2010 Ford Explorer Sport Trac, 1991-1994 Mazda Navajo, 1994-2009 Mazda B4000, 1995-1996 Mazda B3000
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10178, 5C1125, 26324, C925, F508, CLS1038, 920-1011, 920-1012, 
...View more
item #1001VSNE
Note
6 Female & Round HV Towers
Show less
Ignition Coil - Delphi GN10886
DelphiPart # GN10886
Ignition Coil - Delphi GN10886
51 Reviews
$38.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2019-2023 Acura RDX, 2021-2023 Acura TLX, 2016-2019 Honda Civic, 2017-2017 Honda Accord, 2017-2019 Honda CR-V, 2018-2021 Honda Clarity, 2018-2022 Honda Accord, 2019-2022 Honda Insight, 2020-2020 Honda Civic, 2020-2022 Honda CR-V, 2021-2021 Honda Civic, 2021-2021 Honda Civic, 2021-2021 Honda Civic, 2022-2022 Honda Civic, 2023-2023 Honda CR-V, 2023-2023 Honda Civic
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10886, E1281, 30520-59B-013, IC888, UF-781, EBC1131, C50031DL
item #1001WEPT
Show less
Delphi GN10621 Ignition Coil
DelphiPart # GN10621
Delphi GN10621 Ignition Coil
51 Reviews
$76.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2015 Ford Explorer, 2012-2018 Ford Edge, 2012-2018 Ford Focus, 2013-2017 Ford Taurus, 2013-2019 Ford Escape, 2013-2020 Ford Fusion, 2014-2018 Ford Special Service Police Sedan, 2015-2022 Ford Mustang, 2016-2019 Ford Explorer, 2018-2021 Ford EcoSport, 2022-2022 Ford EcoSport, 2012-2014 Land Rover Range Rover Evoque, 2013-2015 Land Rover LR2, 2015-2015 Land Rover Discovery Sport, 2015-2015 Land Rover Range Rover Evoque, 2016-2017 Land Rover Discovery Sport, 2016-2017 Land Rover Range Rover Evoque, 2013-2016 Lincoln MKT, 2013-2020 Lincoln MKZ, 2015-2019 Lincoln MKC
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10621, 5C1873, C1816, E1170, E1178, 36-8232, 673-6203, CM5Z 12029-A, 
...View more
item #1001W7C2
Show less
Delphi GN10633 Ignition Coil
DelphiPart # GN10633
Delphi GN10633 Ignition Coil
51 Reviews
$54.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2011-2012 Hyundai Elantra, 2013-2014 Hyundai Elantra Coupe, 2013-2016 Hyundai Elantra, 2013-2017 Hyundai Elantra GT, 2014-2015 Hyundai Tucson, 2016-2018 Hyundai Tucson, 2016-2018 Hyundai Tucson, 2016-2018 Hyundai Tucson, 2016-2021 Hyundai Tucson, 2018-2018 Hyundai Tucson, 2018-2018 Hyundai Tucson, 2018-2020 Hyundai Elantra GT, 2019-2021 Hyundai Tucson, 2019-2021 Hyundai Tucson, 2019-2021 Hyundai Tucson, 2012-2019 Kia Soul, 2014-2014 Kia Forte Koup, 2014-2015 Kia Forte, 2014-2018 Kia Forte5, 2016-2016 Kia Forte
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
GN10633, 5C1861, 23-0532, C1804, 921-2153, 27300-2E000, 673-8305, IC754SB, 
...View more
item #1001W7RL
Show less
Page 95 of 171

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

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

How To Replace Ignition Coil Ford F150?

An ignition coil in Ford F150 and other cars is a part of the engine responsible for amping up the low-volt battery power in your car to enough voltage so that it can easily create a spark in the spark plug to start the engine.

Jul 21, 2026