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Mazda 3 Ignition Coil

58 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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Walker Products 921-2271 Ignition CoilWalker Products 921-2271 Ignition Coil
Walker ProductsPart # 921-2271
Walker Products 921-2271 Ignition Coil
4.226 Reviews
$111.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2013-2016 Mazda CX-5, 2014-2018 Mazda 3, 2014-2021 Mazda 6, 2016-2021 Mazda CX-3, 2016-2023 Mazda CX-9, 2016-2023 Mazda MX-5 Miata, 2017-2017 Mazda CX-5, 2018-2019 Mazda CX-5, 2019-2020 Mazda 3, 2020-2020 Mazda CX-30, 2020-2020 Mazda CX-30, 2020-2020 Mazda CX-30, 2020-2021 Mazda CX-5, 2021-2022 Mazda 3, 2021-2023 Mazda CX-30, 2022-2022 Mazda CX-5, 2022-2022 Mazda CX-5, 2022-2022 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-2271, P51B18100, PE0118100, PE0118100A, PE2018100, PE2018100A, 48895, COP574, 
...View more
item #1001L3GC
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Spectra Premium C-649 Ignition Coil
Spectra PremiumPart # C-649
Spectra Premium C-649 Ignition Coil
52 Reviews
$51.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1993 Ford Festiva, 1991-1996 Ford Escort, 1990-1993 Mazda B2200, 1990-1993 Mazda B2600, 1990-1994 Mazda Protege, 1990-1995 Mazda 323, 1992-1993 Mazda MX-3, 1991-1996 Mercury Tracer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-649, CFD485, CUF221, UF221, 50095, 9201075, 230345, B6S71810XA, 
...View more
item #1000Z6XH
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Spectra Premium C-622 Ignition Coil
Spectra PremiumPart # C-622
Spectra Premium C-622 Ignition Coil
52 Reviews
$28.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1955-1958 AC Two-Litre, 1955-1963 AC Ace, 1955-1963 AC Aceca, 1960-1963 AC Greyhound, 1954-1959 Alfa Romeo Giulietta, 1959-1962 Alfa Romeo 2000, 1962-1968 Alfa Romeo 2600, 1962-1968 Alfa Romeo Giulia, 1962-1968 Alfa Romeo Giulia Sprint, 1964-1964 Alfa Romeo GTC, 1964-1964 Alfa Romeo GTZ, 1965-1965 Alfa Romeo GTA, 1965-1965 Alfa Romeo GTV, 1965-1965 Alfa Romeo TZ, 1966-1966 Alfa Romeo Duetto 1600, 1967-1967 Alfa Romeo TZ 2, 1967-1968 Alfa Romeo GTV, 1969-1969 Alfa Romeo Spider, 1969-1971 Alfa Romeo Berlina, 1971-1975 Alfa Romeo Montreal
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-622, CUC15, UC15, UC15T, 30500634015, 829886102, 981360007, 9825135080, 
...View more
item #1000Z6T1
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Spectra Premium C-715 Ignition Coil
Spectra PremiumPart # C-715
Spectra Premium C-715 Ignition Coil
52 Reviews
$29.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1997 Ford Probe, 1994-1994 Mazda MX-3, 1995-1997 Mazda 626, 1995-1997 Mazda MX-6, 1995-2002 Mazda Millenia, 1996-1998 Mazda MPV
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-715, CUF368, 521897, UF368, 25172, C1607, 1788284, 5172, 
...View more
item #1000Z4V0
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Walker Products 921-2065 Ignition Coil
Walker ProductsPart # 921-2065
Walker Products 921-2065 Ignition Coil
4.226 Reviews
$27.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-2065, 50089, 5047437, 4M5E12A366AA, 4M5G12A366BA, 4M5G12A366BB, 4M5G12A366BC, 4M5Z12029A, 
...View more
item #1001L4S2
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Walker Products 921-2174 Ignition Coil
Walker ProductsPart # 921-2174
Walker Products 921-2174 Ignition Coil
4.226 Reviews
$58.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2010 Mazda 5, 2010-2013 Mazda 3, 2012-2015 Mazda 5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-2174, 36-8133, IC-855, C1685, LF2L18100, LF2L18100A, COP-523, UF604, 
...View more
item #1001L280
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Walker Products 921-2104 Ignition Coil
Walker ProductsPart # 921-2104
Walker Products 921-2104 Ignition Coil
4.226 Reviews
$54.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Mazda MX-5, 2006-2008 Mazda 6, 2006-2009 Mazda 3, 2006-2015 Mazda MX-5 Miata, 2007-2012 Mazda CX-7, 2009-2013 Mazda 6, 2010-2011 Mazda 3, 2010-2013 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3 Sport, 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2013 Mazda 3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-2104, 50223, IC-850, 12873, BB-2540, C753, C-753, 36-8159, 
...View more
item #1001L464
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Spectra Premium C-632 Ignition Coil
Spectra PremiumPart # C-632
Spectra Premium C-632 Ignition Coil
52 Reviews
$27.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1981-1983 Alfa Romeo GTV-6, 1970-1972 Audi Super 90, 1970-1974 Audi 100 Series, 1973-1979 Audi Fox, 1980-1980 Audi 4000, 1968-1972 Austin America, 1973-1975 Austin Marina, 1968-1971 BMW 2500, 1968-1971 BMW 2800, 1968-1971 BMW 2800CS, 1972-1974 BMW 3.0CS, 1972-1974 BMW 3.0CSi, 1972-1974 BMW 3.0S, 1975-1978 BMW 530i, 1977-1978 BMW 630CSi, 1977-1979 BMW 320i, 1981-1981 Bentley Mulsanne, 1968-1977 Fiat 124, 1970-1973 Fiat 850, 1975-1976 Fiat X-1/9
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-632, CUF2, 521907, U1157, U1123, UF2, 88921308, 25195, 
...View more
item #1000Z5WA
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Walker Products 928-4079-4 Ignition Coil Set
Walker ProductsPart # 928-4079-4
Walker Products 928-4079-4 Ignition Coil Set
4.226 Reviews
$84.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
QuantityOne Set
Item LocatedUnited States
Part interchange
928-4079-4, 50089, 1224925, 1322402, 2322402, 4M5E12A366AA, 4M5G12A366BB, 4M5Z12029A, 
...View more
item #1001P30Z
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Spectra Premium C-753 Ignition Coil
Spectra PremiumPart # C-753
Spectra Premium C-753 Ignition Coil
52 Reviews
$89.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2008 Mazda 6, 2006-2011 Mazda 3, 2006-2015 Mazda MX-5, 2006-2015 Mazda MX-5 Miata, 2007-2012 Mazda CX-7, 2008-2010 Mazda 5, 2009-2011 Mazda 3 Sport, 2009-2013 Mazda 6, 2012-2012 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3 Sport, 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2013 Mazda 3 Sport, 2012-2013 Mazda 3 Sport, 2012-2017 Mazda 5, 2013-2013 Mazda 3, 2013-2013 Mazda 3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-753, UF540, UF604, UF540T, 50223, 9212104, 230130, 230183, 
...View more
item #1000Z66T
Show less
Spectra Premium C-857 Ignition Coil
Spectra PremiumPart # C-857
Spectra Premium C-857 Ignition Coil
52 Reviews
$125.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2012 Mazda 3, 2012-2012 Mazda 3, 2012-2013 Mazda 3 Sport, 2013-2013 Mazda 3, 2013-2013 Mazda 3, 2013-2017 Mazda CX-5, 2014-2017 Mazda 6, 2014-2018 Mazda 3 Sport, 2014-2020 Mazda 3, 2016-2021 Mazda CX-3, 2016-2021 Mazda CX-9, 2016-2021 Mazda MX-5 Miata, 2018-2018 Mazda CX-5, 2018-2021 Mazda 6, 2018-2021 Mazda MX-5, 2019-2019 Mazda CX-5, 2019-2020 Mazda 3 Sport, 2020-2023 Mazda CX-30, 2020-2023 Mazda CX-30, 2020-2023 Mazda CX-30
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-857, U5279, UF656T, UF656, 175407, MPSMF656, 48895, CF94, 
...View more
item #1000Z4XR
Show less
Walker Products 920-1075 Ignition Coil
Walker ProductsPart # 920-1075
Walker Products 920-1075 Ignition Coil
4.226 Reviews
$36.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1993 Ford Festiva, 1991-1996 Ford Escort, 1994-1997 Ford Aspire, 1990-1991 Mazda 323, 1990-1993 Mazda B2200, 1990-1993 Mazda B2600, 1990-1994 Mazda Protege, 1992-1994 Mazda 323, 1992-1994 Mazda MX-3, 1995-1995 Mazda 323, 1995-1996 Mazda Protege, 1991-1996 Mercury Tracer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
920-1075, IC-94, F0BZ12029A, F1CZ12029A, 4132292, XM344608CA, GN10292, 19017155, 
...View more
item #1001L466
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Walker Products 921-92104 Ignition Coil
Walker ProductsPart # 921-92104
Walker Products 921-92104 Ignition Coil
4.226 Reviews
$68.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Mazda MX-5, 2006-2008 Mazda 6, 2006-2009 Mazda 3, 2006-2015 Mazda MX-5 Miata, 2007-2012 Mazda CX-7, 2009-2013 Mazda 6, 2010-2011 Mazda 3, 2010-2013 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3 Sport, 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2013 Mazda 3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-92104
item #1001LHRU
Show less
Walker Products 921-92174 Ignition Coil
Walker ProductsPart # 921-92174
Walker Products 921-92174 Ignition Coil
4.226 Reviews
$66.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2010 Mazda 5, 2010-2013 Mazda 3, 2012-2015 Mazda 5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-92174
item #1001LKEL
Show less
Standard UF882 Ignition Coil
StandardPart # UF882
Standard UF882 Ignition Coil
4.542 Reviews
$175.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2018-2019 Mazda 6, 2018-2019 Mazda 6, 2018-2019 Mazda 6, 2018-2020 Mazda 6, 2018-2020 Mazda 6, 2018-2020 Mazda 6, 2018-2020 Mazda 6, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2020-2020 Mazda 6, 2020-2021 Mazda 3, 2020-2021 Mazda CX-30, 2020-2021 Mazda CX-5, 2021-2021 Mazda 6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
UF882, GN11127, IC989, E1382, PYFS18100, 5C2296, EBC1953
item #10016UHW
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Walker Products 921-92065 Ignition Coil
Walker ProductsPart # 921-92065
Walker Products 921-92065 Ignition Coil
4.226 Reviews
$34.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-92065
item #1001LL6P
Show less
Walker Products 920-1017 Ignition Coil
Walker ProductsPart # 920-1017
Walker Products 920-1017 Ignition Coil
4.226 Reviews
$47.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1981-1983 Alfa Romeo GTV-6, 1970-1972 Audi Super 90, 1970-1974 Audi 100 Series, 1973-1979 Audi Fox, 1980-1980 Audi 4000, 1968-1972 Austin America, 1973-1975 Austin Marina, 1968-1971 BMW 2500, 1968-1971 BMW 2800, 1968-1971 BMW 2800CS, 1972-1972 BMW 3.0CSi, 1972-1974 BMW 3.0CS, 1972-1974 BMW 3.0S, 1975-1976 BMW 3.0Si, 1975-1978 BMW 530i, 1977-1978 BMW 630CSi, 1977-1979 BMW 320i, 1981-1981 Bentley Mulsanne, 1984-1985 Bertone X-1/9, 1986-1987 Bertone X-1/9
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
920-1017, 5195, 1972568, 1972641, 1972648, 1972666, 1972668, 12303003, 
...View more
item #1001L38U
Show less
Spectra Premium C-676 Ignition Coil
Spectra PremiumPart # C-676
Spectra Premium C-676 Ignition Coil
52 Reviews
$55.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2008 Ford Escape, 2005-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-676, CFD505, FD505, FD505T, 50089, 9212065, 0221504702, ZZCA18100, 
...View more
item #1000Z5NY
Show less
Denso 673-6010 Ignition Coil
DensoPart # 673-6010
Denso 673-6010 Ignition Coil
4.523 Reviews
$42.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2007 Ford Focus, 2005-2007 Ford Focus, 2005-2007 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2007 Ford Focus, 2008-2011 Ford Focus, 2008-2011 Ford Focus, 2008-2011 Ford Focus, 2009-2011 Ford Focus, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
673-6010, C-676, IC517, U5019, GN10229, 5C1443, 921-2065, C1453, 
...View more
item #1002HATA
Show less
ÜRO Parts MA1319617 Ignition Coil
ÜRO PartsPart # MA1319617
ÜRO Parts MA1319617 Ignition Coil
4.629 Reviews
$47.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2008 Mazda 6, 2006-2009 Mazda 3, 2006-2015 Mazda MX-5 Miata, 2007-2012 Mazda CX-7, 2008-2010 Mazda 5, 2009-2011 Mazda 3 Sport, 2009-2013 Mazda 6, 2010-2011 Mazda 3, 2010-2013 Mazda 3, 2010-2013 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3 Sport, 2012-2013 Mazda 3, 2012-2013 Mazda 3 Sport, 2012-2013 Mazda 3 Sport, 2012-2013 Mazda 5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
MA1319617, L3G2-18-100A, L3G2-18-100B-9U, L3K9-18-100A, 1788350, GN10499, 6733204, 106147, 
...View more
item #1000ZHDX
Show less
Page 1 of 3

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.