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Shopping for GMC-C7500 Topkick
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Ignition Coil

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A Set of 8pc Ignition Coil 4-Pin Terminal Oval A-Premium APIC0188A Set of 8pc Ignition Coil 4-Pin Terminal Oval A-Premium APIC0188
A-Premium®Part # APIC0188
A Set of 8pc Ignition Coil 4-Pin Terminal Oval A-Premium APIC0188
4.741 Reviews
$169.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 1999 - 2000 Chevrolet C6500 Kodiak, 1999 - 2000 GMC C7500 Topkick, 2001 - 2003 Workhorse Custom Chassis P32, 2001 - 2002 GMC C3500HD, 2001 - 2002 Chevrolet Silverado 2500 HD, 2001 - 2002 GMC C7500 Topkick, 2001 - 2002 GMC B7, 2001 - 2002 Chevrolet Express 3500, 2004 - 2005 Cadillac CTS, 1999 - 2000 Chevrolet C7500 Kodiak, 1998 - 2002 Chevrolet Camaro, 2001 - 2003 Workhorse W20, 1998 - 1998 GMC P3500, 1997 - 2004 Chevrolet Corvette, 1999 - 2000 GMC B7, 2001 - 2002 GMC Savana 3500, 2001 - 2002 Chevrolet C3500HD, 2004 - 2004 Pontiac GTO, 2002 - 2002 Chevrolet Avalanche 2500, 1998 - 1998 Chevrolet P30, 1999 - 2000 GMC C6500 Topkick, 1999 - 1999 Chevrolet P30, 2001 - 2003 Workhorse Custom Chassis W22, 2001 - 2002 Chevrolet Suburban 2500, 2001 - 2003 Workhorse W22, 2001 - 2002 GMC Sierra 2500 HD, 2001 - 2003 Workhorse P32, 1998 - 2002 Pontiac Firebird, 2001 - 2002 Chevrolet Silverado 3500, 2001 - 2002 GMC C6500 Topkick, 2001 - 2002 GMC Yukon XL 2500, 2001 - 2002 GMC Sierra 3500, 2001 - 2002 Chevrolet B7, 2000 - 2000 Chevrolet B7
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC C7500 Topkick
QuantityA Set of 8
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002PWY8
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A Set of 8pc Ignition Coil 4-Pin Terminal Rectangular, Oval A-Premium APIC0101
A-Premium®Part # APIC0101
A Set of 8pc Ignition Coil 4-Pin Terminal Rectangular, Oval A-Premium APIC0101
4.741 Reviews
$174.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 2000 - 2006 GMC Yukon, 2003 - 2006 Chevrolet Suburban 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 3500 HD, 2004 - 2004 Chevrolet Express 3500, 2001 - 2002 Chevrolet Silverado 2500, 2003 - 2006 GMC Yukon XL 2500, 2001 - 2002 Chevrolet Silverado 2500, 2007 - 2007 GMC C7500 Topkick, 2001 - 2003 Chevrolet Silverado 1500 HD, 2004 - 2007 Isuzu NPR-HD, 2007 - 2007 GMC Sierra 3500 HD, 1999 - 2000 Chevrolet Silverado 2500, 2003 - 2006 Chevrolet Suburban 2500, 2003 - 2009 GMC C5500 Topkick, 2003 - 2005 Chevrolet Express 2500, 2002 - 2006 Chevrolet Silverado 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2004 - 2006 GMC Sierra 3500, 2003 - 2005 Chevrolet Express 2500, 2007 - 2007 GMC Sierra 1500 HD Classic, 2000 - 2002 Chevrolet Suburban 1500, 2002 - 2006 Chevrolet Avalanche 1500, 2003 - 2003 GMC Sierra 3500, 2002 - 2006 Cadillac Escalade EXT, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 2001 - 2006 GMC Sierra 1500, 1999 - 2004 GMC Sierra 2500, 2003 - 2006 Chevrolet Express 1500, 2005 - 2006 GMC Sierra 1500 HD, 2003 - 2005 GMC Savana 2500, 2001 - 2006 Chevrolet Silverado 3500, 2007 - 2007 GMC Sierra 2500 HD Classic, 2003 - 2005 GMC Savana 1500, 1999 - 1999 Chevrolet Silverado 1500, 2002 - 2006 Chevrolet Silverado 1500, 2007 - 2007 GMC Sierra 2500 HD Classic, 2003 - 2006 Chevrolet Silverado 1500, 2007 - 2007 GMC Sierra 3500 Classic, 2003 - 2005 GMC Savana 2500, 2003 - 2006 Cadillac Escalade ESV, 2003 - 2004 Chevrolet Silverado 2500, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2003 - 2009 GMC C6500 Topkick, 2001 - 2007 Chevrolet Silverado 2500 HD, 2004 - 2005 Workhorse FasTrack FT1461, 2004 - 2005 Workhorse FasTrack FT1801, 2001 - 2003 GMC Sierra 1500 HD, 2001 - 2002 GMC Sierra 3500, 2003 - 2004 Chevrolet SSR, 2003 - 2006 Chevrolet Silverado 3500, 2001 - 2006 GMC Yukon XL 1500, 2003 - 2009 Chevrolet C5500 Kodiak, 2004 - 2005 Workhorse FasTrack FT1061, 2004 - 2006 Isuzu NPR, 2003 - 2004 Chevrolet Trailblazer EXT, 2003 - 2009 GMC C4500 Topkick, 2006 - 2006 GMC Sierra 2500 HD, 2002 - 2002 Chevrolet Suburban 2500, 2003 - 2009 GMC C8500 Topkick, 2000 - 2001 Chevrolet Silverado 1500, 2003 - 2004 Chevrolet Express 3500, 2002 - 2006 Cadillac Escalade, 2003 - 2006 Chevrolet Avalanche 2500, 2004 - 2004 GMC Envoy XUV, 2001 - 2007 GMC Sierra 2500 HD, 2006 - 2006 Chevrolet Monte Carlo, 2003 - 2006 Chevrolet Silverado 2500 HD, 1999 - 2006 GMC Sierra 1500, 2003 - 2004 GMC Envoy XL, 2001 - 2009 Chevrolet C7500 Kodiak, 2000 - 2006 Chevrolet Tahoe, 2000 - 2006 GMC Yukon XL 2500, 2001 - 2009 Chevrolet C6500 Kodiak, 2000 - 2001 Chevrolet Silverado 1500, 2004 - 2005 Workhorse P32, 1999 - 2006 GMC Sierra 1500, 2005 - 2006 Chevrolet Silverado 1500 HD, 1999 - 1999 Chevrolet Silverado 1500, 1999 - 2000 GMC Sierra 2500, 2000 - 2006 Chevrolet Tahoe, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2003 - 2007 Hummer H2, 2000 - 2006 GMC Yukon XL 1500, 2003 - 2005 GMC Savana 3500, 2004 - 2005 Workhorse FasTrack FT1461, 2000 - 2006 GMC Yukon, 2004 - 2005 Workhorse FasTrack FT1601, 2005 - 2005 Workhorse FasTrack FT1261, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2007 - 2009 Workhorse R26, 2003 - 2009 GMC C7500 Topkick, 2007 - 2007 GMC Sierra 1500 Classic, 2003 - 2005 GMC Savana 3500, 2003 - 2006 GMC Sierra 3500, 2003 - 2005 Chevrolet Express 2500, 2003 - 2009 Chevrolet C4500 Kodiak, 2003 - 2005 GMC Savana 2500, 2001 - 2006 GMC Yukon, 2007 - 2009 Workhorse Custom Chassis W24, 2005 - 2009 Workhorse W25, 2006 - 2009 Workhorse W16, 2004 - 2009 Workhorse W24, 2004 - 2009 Workhorse Custom Chassis W22, 2006 - 2009 Workhorse W18, 2004 - 2005 Workhorse Custom Chassis W24, 2004 - 2009 Workhorse W22, 2006 - 2009 Workhorse Custom Chassis W18, 2007 - 2008 Workhorse Custom Chassis R26, 2007 - 2007 Workhorse W62, 2004 - 2009 Workhorse W20, 2004 - 2005 Workhorse Custom Chassis P32, 2007 - 2009 Workhorse W21
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC C7500 Topkick
QuantityA Set of 8
Item LocatedCanada
Installation PositionFront Side
ColorBlack
Part interchange
12558693, 50253, 521618, 3859078, 12556893, 12570553, 19355500, 19418993, 
...View more
item #1002PX8N
Note
It comes with Square Ignition Coil, Not Round.
For 2000-2001 Chevrolet Silverado 1500 fits the model with Mexico Emissions System.
For 2003-2005 GMC Savana 3500 V8 6.0L fits GAS Only, Not CNG.
For 2003 GMC Sierra 3500 V8 6.0L fits GAS Only, Not CNG.
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One Set-Pc Ignition Coil 4-Pin Terminal Rectangular, Oval A-Premium APIC0100
A-Premium®Part # APIC0100
One Set-Pc Ignition Coil 4-Pin Terminal Rectangular, Oval A-Premium APIC0100
4.741 Reviews
$59.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits 2000 - 2006 GMC Yukon, 2003 - 2006 Chevrolet Suburban 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 3500 HD, 2004 - 2004 Chevrolet Express 3500, 2001 - 2002 Chevrolet Silverado 2500, 2003 - 2006 GMC Yukon XL 2500, 2001 - 2002 Chevrolet Silverado 2500, 2007 - 2007 GMC C7500 Topkick, 2001 - 2003 Chevrolet Silverado 1500 HD, 2004 - 2007 Isuzu NPR-HD, 2007 - 2007 GMC Sierra 3500 HD, 1999 - 2000 Chevrolet Silverado 2500, 2003 - 2006 Chevrolet Suburban 2500, 2003 - 2009 GMC C5500 Topkick, 2003 - 2005 Chevrolet Express 2500, 2002 - 2006 Chevrolet Silverado 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2004 - 2006 GMC Sierra 3500, 2003 - 2005 Chevrolet Express 2500, 2007 - 2007 GMC Sierra 1500 HD Classic, 2000 - 2002 Chevrolet Suburban 1500, 2002 - 2006 Chevrolet Avalanche 1500, 2003 - 2003 GMC Sierra 3500, 2002 - 2006 Cadillac Escalade EXT, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 2001 - 2006 GMC Sierra 1500, 1999 - 2004 GMC Sierra 2500, 2003 - 2006 Chevrolet Express 1500, 2005 - 2006 GMC Sierra 1500 HD, 2003 - 2005 GMC Savana 2500, 2001 - 2006 Chevrolet Silverado 3500, 2007 - 2007 GMC Sierra 2500 HD Classic, 2003 - 2005 GMC Savana 1500, 1999 - 1999 Chevrolet Silverado 1500, 2002 - 2006 Chevrolet Silverado 1500, 2007 - 2007 GMC Sierra 2500 HD Classic, 2003 - 2006 Chevrolet Silverado 1500, 2007 - 2007 GMC Sierra 3500 Classic, 2003 - 2005 GMC Savana 2500, 2003 - 2006 Cadillac Escalade ESV, 2003 - 2004 Chevrolet Silverado 2500, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2003 - 2009 GMC C6500 Topkick, 2001 - 2007 Chevrolet Silverado 2500 HD, 2004 - 2005 Workhorse FasTrack FT1461, 2004 - 2005 Workhorse FasTrack FT1801, 2001 - 2003 GMC Sierra 1500 HD, 2001 - 2002 GMC Sierra 3500, 2003 - 2004 Chevrolet SSR, 2003 - 2006 Chevrolet Silverado 3500, 2001 - 2006 GMC Yukon XL 1500, 2003 - 2009 Chevrolet C5500 Kodiak, 2004 - 2005 Workhorse FasTrack FT1061, 2004 - 2006 Isuzu NPR, 2003 - 2004 Chevrolet Trailblazer EXT, 2003 - 2009 GMC C4500 Topkick, 2006 - 2006 GMC Sierra 2500 HD, 2002 - 2002 Chevrolet Suburban 2500, 2003 - 2009 GMC C8500 Topkick, 2000 - 2001 Chevrolet Silverado 1500, 2003 - 2004 Chevrolet Express 3500, 2002 - 2006 Cadillac Escalade, 2003 - 2006 Chevrolet Avalanche 2500, 2004 - 2004 GMC Envoy XUV, 2001 - 2007 GMC Sierra 2500 HD, 2006 - 2006 Chevrolet Monte Carlo, 2003 - 2006 Chevrolet Silverado 2500 HD, 1999 - 2006 GMC Sierra 1500, 2003 - 2004 GMC Envoy XL, 2001 - 2009 Chevrolet C7500 Kodiak, 2000 - 2006 Chevrolet Tahoe, 2000 - 2006 GMC Yukon XL 2500, 2001 - 2009 Chevrolet C6500 Kodiak, 2000 - 2001 Chevrolet Silverado 1500, 2004 - 2005 Workhorse P32, 1999 - 2006 GMC Sierra 1500, 2005 - 2006 Chevrolet Silverado 1500 HD, 1999 - 1999 Chevrolet Silverado 1500, 1999 - 2000 GMC Sierra 2500, 2000 - 2006 Chevrolet Tahoe, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2003 - 2007 Hummer H2, 2000 - 2006 GMC Yukon XL 1500, 2003 - 2005 GMC Savana 3500, 2004 - 2005 Workhorse FasTrack FT1461, 2000 - 2006 GMC Yukon, 2004 - 2005 Workhorse FasTrack FT1601, 2005 - 2005 Workhorse FasTrack FT1261, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2007 - 2009 Workhorse R26, 2003 - 2009 GMC C7500 Topkick, 2007 - 2007 GMC Sierra 1500 Classic, 2003 - 2005 GMC Savana 3500, 2003 - 2006 GMC Sierra 3500, 2003 - 2005 Chevrolet Express 2500, 2003 - 2009 Chevrolet C4500 Kodiak, 2003 - 2005 GMC Savana 2500, 2001 - 2006 GMC Yukon, 2007 - 2009 Workhorse Custom Chassis W24, 2005 - 2009 Workhorse W25, 2006 - 2009 Workhorse W16, 2004 - 2009 Workhorse W24, 2004 - 2009 Workhorse Custom Chassis W22, 2006 - 2009 Workhorse W18, 2004 - 2005 Workhorse Custom Chassis W24, 2004 - 2009 Workhorse W22, 2006 - 2009 Workhorse Custom Chassis W18, 2007 - 2008 Workhorse Custom Chassis R26, 2007 - 2007 Workhorse W62, 2004 - 2009 Workhorse W20, 2004 - 2005 Workhorse Custom Chassis P32, 2007 - 2009 Workhorse W21
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC C7500 Topkick
QuantityOne Set
Item LocatedCanada
Installation PositionFront Side
ColorBlack
Part interchange
12558693, 50253, 521618, 3859078, 12556893, 12570553, 19355500, 19418993, 
...View more
item #1002PX9L
Note
This item only fits the vehicle with square coil.
Show less
One Set-Pc Ignition Coil 4-Blade Terminal Oval A-Premium APIC0104
A-Premium®Part # APIC0104
One Set-Pc Ignition Coil 4-Blade Terminal Oval A-Premium APIC0104
4.741 Reviews
$58.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995 - 1996 AM General Hummer, 1993 - 1993 Asuna Sunfire, 1995 - 1986 Buick Century, 1991 - 1995 Buick Commercial Chassis, 1991 - 1995 Buick Roadmaster, 1998 - 1988 Buick Skyhawk, 1985 - 1986 Buick Skylark, 1986 - 1986 Buick Somerset, 1985 - 1985 Buick Somerset Regal, 1990 - 1992 Cadillac Brougham, 1985 - 1986 Cadillac Cimarron, 1992 - 1995 Cadillac Commercial Chassis, 1993 - 1995 Cadillac Fleetwood, 1985 - 1994 Chevrolet Astro, 1990 - 1990 Chevrolet B60, 1985 - 1998 Chevrolet B7, 1991 - 1995 Chevrolet Blazer, 1989 - 1995 Chevrolet C1500, 1992 - 1995 Chevrolet C1500 Suburban, 1992 - 1995 Chevrolet C2500 Suburban, 1994 - 1995 Chevrolet C3500, 1991 - 1995 Chevrolet C3500HD, 1990 - 1991 Chevrolet C5500 Kodiak, 1990 - 1990 Chevrolet C60, 1991 - 1996 Chevrolet C60 Kodiak, 1997 - 1998 Chevrolet C6500 Kodiak, 1990 - 1990 Chevrolet C70, 1990 - 1996 Chevrolet C70 Kodiak, 1998 - 1998 Chevrolet C7500 Kodiak, 1989 - 1995 Chevrolet Camaro, 1985 - 1995 Chevrolet Caprice, 1985 - 1986 Chevrolet Cavalier, 1986 - 1986 Chevrolet Celebrity, 1985 - 1987 Chevrolet Chevette, 1985 - 1985 Chevrolet Citation II, 1992 - 1994 Chevrolet Corvette, 1985 - 1987 Chevrolet El Camino, 1988 - 1995 Chevrolet G10, 1987 - 1991 Chevrolet G30, 1994 - 1995 Chevrolet Impala, 1992 - 1995 Chevrolet K1500 Suburban, 1995 - 1995 Chevrolet K2500, 1992 - 1993 Chevrolet K2500 Suburban, 1987 - 1993 Chevrolet LLV, 1990 - 1995 Chevrolet Lumina APV, 1985 - 1988 Chevrolet Monte Carlo, 1987 - 1989 Chevrolet P20, 1991 - 1996 Chevrolet P30, 1988 - 1988 Chevrolet R10 Suburban, 1990 - 1991 Chevrolet R1500 Suburban, 1988 - 1988 Chevrolet R20, 1988 - 1988 Chevrolet R20 Suburban, 1989 - 1989 Chevrolet R2500, 1989 - 1991 Chevrolet R2500 Suburban, 1989 - 1991 Chevrolet R3500, 1988 - 1994 Chevrolet S10, 1986 - 1991 Chevrolet S10 Blazer, 1987 - 1988 Chevrolet Spectrum, 1997 - 1998 Chevrolet T6500, 1997 - 1998 Chevrolet T7500, 1995 - 1995 Chevrolet Tahoe, 1987 - 1988 Chevrolet V10 Suburban, 1990 - 1991 Chevrolet V1500 Suburban, 1987 - 1988 Chevrolet V20 Suburban, 1989 - 1991 Chevrolet V2500 Suburban, 1987 - 1987 Chevrolet V30, 1989 - 1991 Chevrolet V3500, 1995 - 1996 Chevrolet W3500 Tiltmaster, 1989 - 1989 Geo Spectrum, 1990 - 1993 Geo Storm, 1991 - 1991 GMC B6000, 1993 - 1998 GMC B7, 1990 - 1995 GMC C1500, 1992 - 1995 GMC C1500 Suburban, 1988 - 1991 GMC C2500, 1992 - 1995 GMC C2500 Suburban, 1988 - 1992 GMC C3500, 1991 - 1995 GMC C3500HD, 1990 - 1990 GMC C6000, 1990 - 1996 GMC C6000 Topkick, 1997 - 1998 GMC C6500 Topkick, 1990 - 1990 GMC C7000, 1990 - 1996 GMC C7000 Topkick, 1997 - 1998 GMC C7500 Topkick, 1985 - 1987 GMC Caballero, 1987 - 1995 GMC G1500, 1987 - 1992 GMC G2500, 1987 - 1996 GMC G3500, 1987 - 1991 GMC Jimmy, 1995 - 1995 GMC K1500, 1992 - 1995 GMC K1500 Suburban, 1989 - 1989 GMC K2500, 1992 - 1995 GMC K2500 Suburban, 1988 - 1995 GMC K3500, 1987 - 1989 GMC P2500, 1987 - 1997 GMC P3500, 1987 - 1991 GMC R1500 Suburban, 1987 - 1989 GMC R2500, 1987 - 1991 GMC R2500 Suburban, 1987 - 1991 GMC R3500, 1985 - 1990 GMC S15, 1985 - 1990 GMC S15 Jimmy, 1985 - 1994 GMC Safari, 1991 - 1991 GMC Syclone, 1987 - 1998 GMC T6500, 1987 - 1998 GMC T7500, 1992 - 1993 GMC Typhoon, 1987 - 1987 GMC V1500, 1987 - 1991 GMC V1500 Suburban, 1987 - 1987 GMC V2500, 1987 - 1991 GMC V2500 Suburban, 1987 - 1991 GMC V3500, 1995 - 1996 GMC W3500 Forward, 1992 - 1992 GMC Yukon, 1987 - 1989 Isuzu I-Mark, 1991 - 1992 Isuzu Impulse, 1991 - 1994 Isuzu Pickup, 1991 - 1991 Isuzu Rodeo, 1991 - 1993 Isuzu Stylus, 1990 - 1991 Isuzu Trooper, 1985 - 1985 Jeep Cherokee, 1985 - 1986 Jeep Wagoneer, 1991 - 1994 Oldsmobile Bravada, 1985 - 1986 Oldsmobile Calais, 1991 - 1992 Oldsmobile Custom Cruiser, 1985 - 1985 Oldsmobile Cutlass Ciera, 1985 - 1988 Oldsmobile Firenza, 1990 - 1994 Oldsmobile Silhouette, 1985 - 1986 Pontiac 6000, 1985 - 1987 Pontiac Acadian, 1986 - 1986 Pontiac Bonneville, 1985 - 1988 Pontiac Fiero, 1985 - 1993 Pontiac Firebird, 1985 - 1989 Pontiac Grand Am, 1986 - 1987 Pontiac Grand Prix, 1985 - 1985 Pontiac J2000 Sunbird, 1988 - 1993 Pontiac LeMans, 1988 - 1990 Pontiac Optima, 1985 - 1986 Pontiac Parisienne, 1986 - 1991 Pontiac Sunbird, 1985 - 1987 Pontiac T1000, 1990 - 1995 Pontiac Trans Sport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC C7500 Topkick
QuantityOne Set
Item LocatedCanada
Installation PositionFront Side
ColorBlack
Part interchange
1115315, 1115317, 1115468, 1106013, 10477944, 10477208, 1115466, 1115491, 
...View more
item #1002PK6L
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What does an ignition coil do?

An ignition coil is one of the most important parts of the ignition system and has a lot of responsibility. The role of the ignition coil is to transform the 12 volts of battery power into high voltage to produce a spark in the spark plug. This generated spark then kindles the mixture of fuel and air in the engine cylinder, and the car is able to run and take you places.  
In the modern day, cars have a single coil for each cylinder. The ignition coil is usually fitted right above the spark plug. This position of the ignition coil is called a coil-on-plug setup. As the ignition coil is a major part of the engine, it should be taken care of. If the ignition coil fails at some point, your engine will not perform at all. Damaged and faulty ignition coils can be a reason for a significant safety threat. Furthermore, if you don't take care of the ignition coil, it could lead to costly repairs.

How to tell if an ignition coil is bad?

A faulty ignition coil can cause a variety of problems in your vehicle. Check these signs and symptoms of a bad ignition coil to help you determine if it needs replacement:

  • Engine misfires: Uneven engine operation or stumbling.
  • Difficulty starting: Prolonged cranking before the engine starts.
  • Reduced power: Decreased engine performance and acceleration.
  • Stalling: The engine may stall, especially when idle.
  • Check engine light: Illuminated dashboard warning.
  • Rough idling: Unsteady engine idling.
  • Increased emissions: May fail emissions tests.
  • Spark plug issues: Wet, sooty, or unusual wear on spark plugs.
  • Unusual engine sounds: Popping or sputtering from the exhaust.