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Toyota 4Runner Ignition Coil

98 items

Replace a weak ignition coil before misfires, rough starts, or poor acceleration turn into bigger engine trouble. Find coils for everyday repair and maintenance.

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Spectra Premium C-698 Ignition CoilSpectra Premium C-698 Ignition Coil
Spectra PremiumPart # C-698
Spectra Premium C-698 Ignition Coil
52 Reviews
$45.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1991 Lexus ES250, 1988-1991 Toyota Camry, 1988-1991 Toyota Pickup, 1989-1989 Toyota 4Runner, 1990-1990 Toyota Land Cruiser, 1990-1991 Toyota 4Runner, 1991-1991 Toyota MR2, 1991-1992 Toyota Land Cruiser, 1992-1992 Toyota MR2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-698, CUF220, CUF71, UF71, 9091902185, 5061, 9201087, 230304, 
...View more
item #1000Z288
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Walker Products 928-4077-6 Ignition Coil Set
Walker ProductsPart # 928-4077-6
Walker Products 928-4077-6 Ignition Coil Set
4.227 Reviews
$247.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2009 Toyota 4Runner, 2005-2009 Toyota Tundra, 2005-2015 Toyota Tacoma, 2007-2009 Toyota FJ Cruiser, 2010-2011 Toyota Tundra
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
QuantityOne Set
Item LocatedUnited States
Part interchange
928-4077-6, 50259, GN10323, 12850, C666, C-666, 133874, IGC108A, 
...View more
item #1001P4E3
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Spectra Premium C-629 Ignition Coil
Spectra PremiumPart # C-629
Spectra Premium C-629 Ignition Coil
52 Reviews
$33.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2007 Lexus LX470, 2001-2006 Lexus LS430, 2001-2007 Lexus GS430, 2002-2010 Lexus SC430, 2003-2009 Lexus GX470, 1998-2007 Toyota Land Cruiser, 2000-2009 Toyota Tundra, 2001-2007 Toyota Sequoia, 2003-2009 Toyota 4Runner, 2008-2009 Toyota Sequoia
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-629, CUF230, UF230, UF493, UF230T, 9091902259, 9008019027, 9091902230, 
...View more
item #1000Z6PZ
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Spectra Premium C-710 Ignition Coil
Spectra PremiumPart # C-710
Spectra Premium C-710 Ignition Coil
52 Reviews
$70.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Lexus GS300, 2006-2015 Lexus IS250, 2006-2015 Lexus IS350, 2007-2011 Lexus GS350, 2007-2011 Lexus GS450h, 2007-2017 Lexus LS460, 2008-2011 Lexus LX570, 2008-2016 Lexus LS600h, 2010-2021 Lexus GX460, 2013-2015 Lexus GS350, 2013-2015 Lexus GS450h, 2013-2018 Lexus ES300h, 2013-2021 Lexus LX570, 2015-2016 Lexus RC350, 2015-2021 Lexus NX300h, 2016-2016 Lexus IS300, 2022-2023 Lexus GX460, 2011-2016 Scion tC, 2007-2010 Toyota Tundra, 2008-2011 Toyota Land Cruiser
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-710, CUF230, CUF2446, UF507, UF630, UF587, UF630T, 90919A2005, 
...View more
item #1000Z6XV
Show less
Walker Products 920-1001 Ignition Coil
Walker ProductsPart # 920-1001
Walker Products 920-1001 Ignition Coil
4.227 Reviews
$37.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1960-1960 American Motors Rambler, 1960-1961 American Motors Rebel, 1960-1963 American Motors American, 1961-1966 American Motors Classic, 1964-1964 American Motors American, 1965-1967 American Motors Marlin, 1965-1968 American Motors American, 1966-1966 American Motors Rogue, 1966-1970 American Motors Rebel, 1968-1970 American Motors AMX, 1968-1974 American Motors Javelin, 1969-1969 American Motors Rambler, 1970-1976 American Motors Gremlin, 1970-1976 American Motors Hornet, 1971-1971 American Motors Ambassador, 1971-1971 American Motors Ambassador, 1971-1971 American Motors Ambassador, 1971-1977 American Motors Matador, 1972-1974 American Motors Ambassador, 1975-1976 American Motors Pacer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
920-1001, E5AZ18100, F80218100B, FE8518100, FE8718100, 30500634672, 30500634673, 30500679003, 
...View more
item #1001L1W7
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Spectra Premium C-627 Ignition Coil
Spectra PremiumPart # C-627
Spectra Premium C-627 Ignition Coil
52 Reviews
$29.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1997 Lexus LS400, 1992-1997 Lexus SC400, 1990-1991 Toyota Celica, 1991-1991 Toyota MR2, 1992-1992 Toyota 4Runner, 1992-1992 Toyota Celica, 1992-1992 Toyota MR2, 1992-1992 Toyota MR2, 1992-1992 Toyota Pickup, 1992-1993 Toyota Celica, 1993-1993 Toyota T100, 1993-1995 Toyota 4Runner, 1993-1995 Toyota MR2, 1993-1995 Toyota Pickup, 1994-1994 Toyota T100, 1994-1995 Toyota Camry, 1996-1996 Toyota Camry
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-627, CUF72, UF72T, UF72, 1908050011, 9091902197, 1909050010, 1908050010, 
...View more
item #1000Z7HQ
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Walker Products 921-2122 Ignition Coil
Walker ProductsPart # 921-2122
Walker Products 921-2122 Ignition Coil
4.227 Reviews
$54.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Lexus GS300, 2006-2015 Lexus IS250, 2006-2015 Lexus IS350, 2007-2011 Lexus GS350, 2007-2011 Lexus GS450h, 2007-2017 Lexus LS460, 2008-2011 Lexus LX570, 2008-2016 Lexus LS600h, 2010-2023 Lexus GX460, 2013-2015 Lexus GS350, 2013-2015 Lexus GS450h, 2013-2018 Lexus ES300h, 2013-2021 Lexus LX570, 2015-2015 Lexus RC350, 2015-2021 Lexus NX300h, 2016-2016 Lexus GS450h, 2016-2016 Lexus IS300, 2016-2016 Lexus IS350, 2016-2016 Lexus RC300, 2016-2016 Lexus RC350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
921-2122, IC-521, IC-522, GN10366, 12446, C710, C-710, 134038, 
...View more
item #1001L3U3
Show less
Walker Products 928-4062-3 Ignition Coil Set
Walker ProductsPart # 928-4062-3
Walker Products 928-4062-3 Ignition Coil Set
4.227 Reviews
$98.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1998 Toyota T100, 1995-2004 Toyota Tacoma, 1996-2000 Toyota 4Runner, 2000-2004 Toyota Tundra, 2001-2002 Toyota 4Runner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity3
Item LocatedUnited States
Part interchange
928-4062-3, 50050, GN10184, 1T4, 5C1308, 12410, C-509, C509, 
...View more
item #1001P2R1
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Spectra Premium C-509 Ignition Coil
Spectra PremiumPart # C-509
Spectra Premium C-509 Ignition Coil
52 Reviews
$48.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1998 Toyota T100, 1995-2004 Toyota Tacoma, 1996-2000 Toyota 4Runner, 2000-2004 Toyota Tundra, 2001-2002 Toyota 4Runner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-509, CUF156, UF156T, UF156, 88921337, 9091902212, 450002, 50050, 
...View more
item #1000Z5PL
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Walker Products 921-92122 Ignition Coil
Walker ProductsPart # 921-92122
Walker Products 921-92122 Ignition Coil
4.227 Reviews
$62.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Lexus GS300, 2006-2015 Lexus IS250, 2006-2015 Lexus IS350, 2007-2011 Lexus GS350, 2007-2011 Lexus GS450h, 2007-2017 Lexus LS460, 2008-2011 Lexus LX570, 2008-2016 Lexus LS600h, 2010-2023 Lexus GX460, 2013-2015 Lexus GS350, 2013-2015 Lexus GS450h, 2013-2018 Lexus ES300h, 2013-2021 Lexus LX570, 2015-2015 Lexus RC350, 2015-2021 Lexus NX300h, 2016-2016 Lexus GS450h, 2016-2016 Lexus IS300, 2016-2016 Lexus IS350, 2016-2016 Lexus RC300, 2016-2016 Lexus RC350
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
921-92122
item #1001LHPU
Show less
Walker Products 920-1087 Ignition Coil
Walker ProductsPart # 920-1087
Walker Products 920-1087 Ignition Coil
4.227 Reviews
$38.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1991 Lexus ES250, 1988-1991 Toyota Camry, 1988-1991 Toyota Pickup, 1989-1991 Toyota 4Runner, 1990-1992 Toyota Land Cruiser, 1991-1992 Toyota MR2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
920-1087, IC-103, GN10286, 19017136, 12111, C698, C-698, 138874, 
...View more
item #1001L4NQ
Show less
Spectra Premium C-623 Ignition Coil
Spectra PremiumPart # C-623
Spectra Premium C-623 Ignition Coil
52 Reviews
$44.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1995 Geo Prizm, 1996-1997 Geo Prizm, 1987-1994 Toyota Tercel, 1992-1992 Toyota Celica, 1992-1992 Toyota Celica, 1992-1992 Toyota Celica, 1992-1992 Toyota MR2, 1992-1993 Toyota Camry, 1992-1995 Toyota Paseo, 1993-1993 Toyota Celica, 1993-1995 Toyota MR2, 1994-1995 Toyota Camry, 1994-1995 Toyota Celica, 1994-1997 Toyota T100, 1995-1995 Toyota Corolla, 1995-1996 Toyota Tacoma, 1995-1997 Toyota Tacoma, 1996-1996 Toyota 4Runner, 1996-1997 Toyota Celica, 1996-1997 Toyota Corolla
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-623, CUF111, UF111, UF111T, 9091902163, 5059, 9201019, 230323, 
...View more
item #1000Z5A8
Show less
Walker Products 920-1042 Ignition Coil
Walker ProductsPart # 920-1042
Walker Products 920-1042 Ignition Coil
4.227 Reviews
$39.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1980-1980 Toyota Corolla, 1981-1982 Toyota Celica, 1981-1982 Toyota Tercel, 1981-1983 Toyota Pickup, 1983-1984 Toyota Cressida, 1984-1984 Toyota 4Runner, 1984-1987 Toyota Pickup, 1988-1989 Toyota Pickup
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
920-1042, 5032, IC-102, GN10281, 920-1042, C646, C-646, 36-1025, 
...View more
item #1001L2HH
Show less
Walker Products 920-1019 Ignition Coil
Walker ProductsPart # 920-1019
Walker Products 920-1019 Ignition Coil
4.227 Reviews
$38.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1995 Geo Prizm, 1996-1997 Geo Prizm, 1986-1986 Nissan 720, 1986-1988 Nissan Multi, 1986-1989 Nissan D21, 1987-1987 Nissan 200SX, 1987-1988 Nissan Van, 1987-1989 Nissan Pathfinder, 1988-1988 Nissan 200SX, 1987-1987 Toyota Tercel, 1987-1987 Toyota Tercel, 1988-1994 Toyota Tercel, 1992-1992 Toyota Celica, 1992-1992 Toyota Celica, 1992-1992 Toyota Celica, 1992-1992 Toyota MR2, 1992-1993 Toyota Camry, 1992-1994 Toyota Paseo, 1993-1995 Toyota Celica, 1993-1995 Toyota MR2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
920-1019, 5059, IC-513, GN10173, 88921289, 94855502, 7A8, 12648, 
...View more
item #1001L6LD
Show less
Walker Products 920-1070 Ignition Coil
Walker ProductsPart # 920-1070
Walker Products 920-1070 Ignition Coil
4.227 Reviews
$38.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1997 Lexus LS400, 1992-1997 Lexus SC400, 1990-1991 Toyota Celica, 1991-1991 Toyota MR2, 1992-1992 Toyota 4Runner, 1992-1992 Toyota Celica, 1992-1992 Toyota MR2, 1992-1992 Toyota MR2, 1992-1992 Toyota Pickup, 1992-1993 Toyota Celica, 1993-1993 Toyota T100, 1993-1995 Toyota 4Runner, 1993-1995 Toyota MR2, 1993-1995 Toyota Pickup, 1994-1994 Toyota T100, 1994-1995 Toyota Camry, 1996-1996 Toyota Camry
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
920-1070, 5062, IC-104, GN10175, 12653, 920-1070, C627, C-627, 
...View more
item #1001L53L
Show less
Walker Products 928-4063-8 Ignition Coil Set
Walker ProductsPart # 928-4063-8
Walker Products 928-4063-8 Ignition Coil Set
4.227 Reviews
$289.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2007 Lexus LX470, 2001-2006 Lexus LS430, 2001-2007 Lexus GS430, 2002-2010 Lexus SC430, 2003-2009 Lexus GX470, 1998-2007 Toyota Land Cruiser, 2000-2009 Toyota Tundra, 2001-2007 Toyota Sequoia, 2003-2009 Toyota 4Runner, 2008-2009 Toyota Sequoia
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
QuantityOne Set
Item LocatedUnited States
Part interchange
928-4063-8, 50109, 9008019027, 9091902230, GN10311, 1T5, 5C1196, BB-2334, 
...View more
item #1001P6YS
Show less
Walker Products 921-2056 Ignition Coil
Walker ProductsPart # 921-2056
Walker Products 921-2056 Ignition Coil
4.227 Reviews
$42.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2014 Lexus IS F, 2015-2024 Lexus RC F, 2016-2020 Lexus GS F, 2018-2024 Lexus LC500, 2022-2024 Lexus IS500, 2008-2012 Scion xB, 2013-2015 Scion xB, 2003-2009 Toyota 4Runner, 2005-2009 Toyota Tundra, 2005-2015 Toyota Tacoma, 2006-2006 Toyota Camry, 2006-2006 Toyota Highlander, 2007-2008 Toyota Solara, 2007-2009 Toyota FJ Cruiser, 2007-2011 Toyota Camry, 2009-2010 Toyota Corolla, 2009-2010 Toyota Matrix, 2010-2010 Toyota 4Runner, 2010-2011 Toyota Tundra, 2011-2012 Toyota Matrix
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
921-2056, 50259, IC-506, GN10323, 12850, C666, C-666, 133874, 
...View more
item #1001L5H6
Show less
Spectra Premium C-666 Ignition Coil
Spectra PremiumPart # C-666
Spectra Premium C-666 Ignition Coil
52 Reviews
$45.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2014 Lexus IS F, 2015-2021 Lexus RC F, 2016-2020 Lexus GS F, 2018-2021 Lexus LC500, 2022-2023 Lexus LC500, 2022-2023 Lexus RC F, 2022-2024 Lexus IS500, 2008-2015 Scion xB, 2003-2009 Toyota 4Runner, 2004-2017 Toyota Hilux, 2005-2010 Toyota Tundra, 2005-2015 Toyota Tacoma, 2006-2006 Toyota Camry, 2006-2019 Toyota Hiace, 2007-2008 Toyota Solara, 2007-2009 Toyota FJ Cruiser, 2007-2011 Toyota Camry, 2009-2009 Toyota Corolla, 2010-2010 Toyota 4Runner, 2010-2010 Toyota Corolla
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-666, CUF495, UF495, UF495T, 90919A2006, 90919C2006, 9091902260, 90919C2002, 
...View more
item #1000Z4GD
Show less
Spectra Premium C-576 Ignition Coil
Spectra PremiumPart # C-576
Spectra Premium C-576 Ignition Coil
52 Reviews
$48.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-1997 Toyota 4Runner, 1997-1999 Toyota Tacoma, 1997-2001 Toyota Camry, 1998-1998 Toyota T100, 1998-1999 Toyota Tacoma, 1998-2000 Toyota 4Runner, 1998-2000 Toyota RAV4, 1999-2001 Toyota Solara, 2000-2000 Toyota Tacoma, 2000-2000 Toyota Tacoma
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
C-576, CUF180, UF180, UF180T, UF182, 9091902220, 9091902217, 9008019007, 
...View more
item #1000Z2D8
Show less
Walker Products 921-2009 Ignition Coil
Walker ProductsPart # 921-2009
Walker Products 921-2009 Ignition Coil
4.227 Reviews
$41.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1998 Toyota T100, 1995-2004 Toyota Tacoma, 1996-2000 Toyota 4Runner, 2000-2004 Toyota Tundra, 2001-2002 Toyota 4Runner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Toyota 4Runner
Quantity1
Item LocatedUnited States
Part interchange
921-2009, 50050, IC-512, GN10184, 1T4, 12410, 921-2009, C509, 
...View more
item #1001L3VD
Show less
Page 1 of 5

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.

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