Beat the Heat – Summer Essential Maintenance
24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
Add your vehicle to ensure fitment/Choose a yearRequired Fields
Select a different vehicle
Make/Model
VIN
Save

Lexus Spark Plug

89 items

Shop precise fit replacement Spark Plug 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
  • Model
  • Price
  • Brand
  • Material
  • Warranty
Bosch 6702 Spark PlugBosch 6702 Spark Plug
BoschPart # 6702
Bosch 6702 Spark Plug
54 Reviews
$12.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1991 Acura Integra, 1991-1995 Acura Legend, 1996-1998 Acura TL, 1996-2004 Acura RL, 1996-1996 BMW M3, 1997-1999 BMW M3, 1998-2000 BMW Z3, 1997-2001 Cadillac Catera, 2003-2003 Cadillac CTS, 2004-2004 Cadillac CTS, 2000-2000 Chevrolet Tracker, 2000-2000 Chevrolet Tracker, 2000-2002 Chevrolet Prizm, 2001-2002 Chevrolet Tracker, 2001-2002 Chevrolet Tracker, 2003-2003 Chevrolet Tracker, 2004-2004 Chevrolet Tracker, 1995-1996 Chrysler Cirrus, 1995-1997 Chrysler Cirrus, 1995-1999 Chrysler Sebring
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
6702
item #1002A6AY
Show less
Spark Plug - Denso 4707
DensoPart # 4707
Spark Plug - Denso 4707
44 Reviews
$19.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1986-1989 Acura Integra, 1986-1990 Acura Legend, 1990-1991 Audi 90 Quattro, 1995-1995 Chrysler Sebring, 1995-1998 Dodge Stratus, 1989-1990 Eagle Summit, 1995-1995 Eagle Talon, 1988-1988 Honda Prelude, 1988-1991 Honda CRX, 1988-1991 Honda Civic, 1990-1990 Honda CRX, 1987-1987 Jaguar XJ6, 1988-1989 Jaguar Vanden Plas, 1988-1989 Jaguar XJ6, 1997-1998 Jaguar XK8, 1998-2003 Jaguar Vanden Plas, 1998-2003 Jaguar XJ8, 1998-2003 Jaguar XJR, 2000-2002 Jaguar S-Type, 2000-2002 Jaguar XK8
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4707, IQ20TT, 98079-561-48, 18218200016, 98079-561-58S, 18218200018, 98079-561-58, F220-18-110, 
...View more
item #1002HGW1
Show less
Denso 3009 Spark Plug
DensoPart # 3009
Denso 3009 Spark Plug
44 Reviews
$7.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1991 Lexus ES250, 1992-1993 Lexus ES300, 1985-1988 Nissan Maxima, 1987-1987 Nissan Pulsar NX, 1987-1988 Nissan 200SX, 1988-1989 Nissan Pulsar NX, 1988-1989 Toyota MR2, 1988-1991 Toyota Camry, 1992-1993 Toyota Camry
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3009, Q20R-U11
item #1002H8ED
Show less
Denso 3499 Spark Plug
DensoPart # 3499
Denso 3499 Spark Plug
44 Reviews
$21.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2017 Lexus CT200h, 2012-2014 Scion xD, 2012-2015 Scion iQ, 2016-2016 Scion iM, 2012-2013 Toyota Corolla, 2012-2013 Toyota Matrix, 2012-2015 Toyota Prius, 2012-2015 Toyota Prius Plug-In, 2012-2018 Toyota Prius V, 2014-2018 Toyota Corolla, 2017-2018 Toyota Corolla iM, 2018-2022 Toyota C-HR, 2019-2019 Toyota Corolla
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3499, SC16HR11, 90919-01275
item #1002HHX3
Show less
Denso 4703 Spark Plug
DensoPart # 4703
Denso 4703 Spark Plug
44 Reviews
$20.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2009 Chrysler Aspen, 2010-2022 Chrysler 300, 2015-2017 Chrysler 200, 2009-2009 Dodge Durango, 2009-2009 Dodge Ram 3500, 2009-2010 Dodge Ram 1500, 2009-2010 Dodge Ram 2500, 2009-2022 Dodge Challenger, 2009-2022 Dodge Charger, 2011-2022 Dodge Durango, 2013-2016 Dodge Dart, 2013-2016 Dodge Dart, 2016-2018 Fiat 500X, 2007-2008 Hyundai Santa Fe, 2009-2009 Hyundai Genesis, 2009-2009 Hyundai Santa Fe, 2009-2010 Hyundai Sonata, 2009-2012 Hyundai Genesis, 2010-2012 Hyundai Santa Fe, 2010-2013 Hyundai Tucson
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4703, IKH16TT, 09482-00615, SP148183AB, 22401-5M014, 22401-ZJ51B, 22401-ZH014, 22401-ZE01B, 
...View more
item #1002HHSG
Show less
Denso 4705 Spark Plug
DensoPart # 4705
Denso 4705 Spark Plug
44 Reviews
$24.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Lexus GS300, 2006-2015 Lexus IS250, 2006-2022 Lexus IS350, 2007-2011 Lexus GS350, 2007-2011 Lexus GS450h, 2007-2017 Lexus LS460, 2008-2009 Lexus GS460, 2008-2014 Lexus IS F, 2008-2016 Lexus LS600h, 2011-2011 Lexus GS460, 2013-2018 Lexus GS450h, 2013-2019 Lexus GS350, 2015-2022 Lexus RC F, 2015-2022 Lexus RC350, 2016-2017 Lexus IS300, 2016-2017 Lexus RC300, 2016-2020 Lexus GS F, 2016-2022 Lexus RX350, 2016-2022 Lexus RX450h, 2018-2022 Lexus IS300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4705, IKBH20TT, 90919-01279, 90919-01249, 90919-01263
item #1002HCK8
Show less
Denso 3253 Spark Plug
DensoPart # 3253
Denso 3253 Spark Plug
44 Reviews
$19.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2011-2011 Audi A6 Quattro, 2011-2011 Audi A8 Quattro, 2011-2011 Audi S6, 2011-2012 Audi S5, 2012-2012 Audi A8 Quattro, 1996-1998 Lexus ES300, 1999-1999 Lexus ES300, 2000-2001 Lexus ES300, 2000-2000 Porsche 911, 2001-2001 Porsche 911, 2002-2002 Porsche 911, 2003-2003 Porsche 911, 2004-2005 Porsche 911, 2004-2005 Porsche 911, 1996-1996 Toyota Camry, 1996-1999 Toyota Avalon, 1997-2001 Toyota Camry, 1998-1999 Toyota Sienna, 1998-2000 Toyota RAV4, 1999-1999 Toyota Solara
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3253, PK20TR11, 90919-01194, 90080-91116, 90919-01195, 101 905 640 D, 101 905 640 A, 101 905 640, 
...View more
item #1002H8E9
Show less
Denso 4701 Spark Plug
DensoPart # 4701
Denso 4701 Spark Plug
44 Reviews
$14.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1991-1995 Acura Legend, 1992-1993 Acura Integra, 1992-1994 Acura Vigor, 1994-1998 Acura Integra, 1994-2001 Acura Integra, 1995-1996 Acura Integra, 1995-2003 Acura TL, 1996-2004 Acura RL, 1997-1999 Acura CL, 1997-1999 Acura SLX, 1997-2001 Acura Integra, 2001-2003 Acura CL, 2001-2006 Acura MDX, 2008-2009 Audi A5 Quattro, 2009-2009 Audi A4 Quattro, 2009-2010 Audi A6, 2010-2010 Audi A5 Quattro, 2011-2011 Audi A6, 1995-1997 BMW 850Ci, 1995-1998 BMW 750iL
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4701, 22401 AA65A, 22401 AA570, 22401 AA650, 32 00 5952, IK16TT, 19302724, 09482-00549, 
...View more
item #1002HCTR
Show less
Denso 4504 Spark Plug
DensoPart # 4504
Denso 4504 Spark Plug
44 Reviews
$10.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1992-1992 Acura NSX, 1992-1993 Acura Integra, 1994-2001 Acura Integra, 1994-2005 Acura NSX, 1996-1996 Acura SLX, 1997-1998 Acura Integra, 1997-2005 Acura EL, 2000-2001 Acura Integra, 2002-2006 Acura RSX, 2004-2008 Acura TL, 2004-2008 Acura TSX, 2005-2008 Acura RL, 2007-2009 Acura MDX, 1994-1995 Alfa Romeo 164, 1992-1994 Audi 100, 1992-1994 Audi 100 Quattro, 1992-1994 Audi S4, 1993-1995 Audi 90, 1993-1995 Audi 90 Quattro, 1994-1998 Audi Cabriolet
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4504, PK20TT, 22401 AA730, 22401 AA65A, 22401 AA550, 22401 AA540, 22401 AA370, 22401 AA310, 
...View more
item #1002HH0Z
Show less
Denso 3122 Spark Plug
DensoPart # 3122
Denso 3122 Spark Plug
44 Reviews
$8.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994-1994 Alfa Romeo 164, 1995-1995 Alfa Romeo 164, 1995-1996 Lexus LS400, 2003-2013 Mercedes-Benz S600, 2003-2014 Mercedes-Benz CL600, 2004-2009 Mercedes-Benz SL600, 2005-2006 Mercedes-Benz CL65 AMG, 2005-2009 Mercedes-Benz SL65 AMG, 2006-2013 Mercedes-Benz S65 AMG, 2008-2008 Mercedes-Benz CL65 AMG, 2009-2009 Mercedes-Benz CL65 AMG, 2010-2014 Mercedes-Benz CL65 AMG, 2011-2011 Mercedes-Benz SL65 AMG, 2013-2014 Mercedes-Benz SL65 AMG, 2003-2006 Mitsubishi Montero, 1993-1998 Nissan Quest, 1990-1991 Toyota Corolla, 1990-1993 Toyota Celica, 1991-1995 Toyota MR2, 2000-2004 Toyota Tundra
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3122, K20R-U, 22401-53J06, 22401-0B016, 90919-01166
item #1002H9CG
Show less
Denso 3473 Spark Plug
DensoPart # 3473
Denso 3473 Spark Plug
44 Reviews
$31.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Lexus GS300, 2006-2015 Lexus IS250, 2006-2017 Lexus IS350, 2007-2011 Lexus GS350, 2007-2011 Lexus GS450h, 2007-2017 Lexus LS460, 2008-2009 Lexus GS460, 2008-2014 Lexus IS F, 2008-2016 Lexus LS600h, 2011-2011 Lexus GS460, 2013-2015 Lexus GS350, 2015-2017 Lexus RC350, 2016-2017 Lexus IS300, 2016-2017 Lexus RC300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3473, FK20HBR11, 90919-01249
item #1002HHPL
Show less
Denso 3139 Spark Plug
DensoPart # 3139
Denso 3139 Spark Plug
44 Reviews
$8.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Chrysler Crossfire, 1990-1994 Lexus LS400, 1992-1993 Lexus SC300, 1992-2000 Lexus SC400, 1994-1995 Lexus ES300, 1997-2000 Lexus LS400, 1998-2000 Lexus GS400, 1998-2007 Lexus LX470, 1999-2003 Lexus RX300, 2001-2006 Lexus LS430, 2001-2007 Lexus GS430, 2002-2003 Lexus ES300, 2002-2010 Lexus SC430, 2003-2009 Lexus GX470, 2004-2006 Lexus ES330, 2004-2006 Lexus RX330, 2006-2008 Lexus RX400h, 2010-2012 Lexus HS250h, 2001-2004 Mercedes-Benz SLK230, 2002-2002 Mercedes-Benz C230
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3139, K20R-U11, 96130723
item #1002H8GE
Show less
Denso 4505 Spark Plug
DensoPart # 4505
Denso 4505 Spark Plug
44 Reviews
$14.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2009 Chrysler Aspen, 2010-2014 Chrysler 300, 2015-2015 Chrysler 200, 2016-2016 Chrysler 200, 2009-2009 Dodge Durango, 2009-2009 Dodge Ram 3500, 2009-2010 Dodge Ram 1500, 2009-2010 Dodge Ram 2500, 2009-2014 Dodge Challenger, 2009-2014 Dodge Charger, 2011-2014 Dodge Durango, 2013-2014 Dodge Dart, 2013-2014 Dodge Dart, 2015-2015 Dodge Challenger, 2015-2015 Dodge Charger, 2015-2016 Dodge Dart, 2015-2016 Dodge Dart, 2016-2017 Fiat 500X, 2007-2008 Hyundai Santa Fe, 2009-2009 Hyundai Genesis
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4505, PKH16TT, SP148183AB, 09482-00615, 22401-5M014, 11182-82Z10, 22401-5M015, 22401-ZH015, 
...View more
item #1002HEWX
Show less
Denso 4508 Spark Plug
DensoPart # 4508
Denso 4508 Spark Plug
44 Reviews
$11.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1986-1989 Acura Integra, 1986-1990 Acura Legend, 1990-1991 Audi 90 Quattro, 1995-1995 Chrysler Sebring, 1995-1998 Dodge Stratus, 1989-1990 Eagle Summit, 1995-1995 Eagle Talon, 1988-1988 Honda Prelude, 1988-1991 Honda CRX, 1988-1991 Honda Civic, 1990-1990 Honda CRX, 1987-1987 Jaguar XJ6, 1988-1989 Jaguar Vanden Plas, 1988-1989 Jaguar XJ6, 1997-1998 Jaguar XK8, 1998-2003 Jaguar Vanden Plas, 1998-2003 Jaguar XJ8, 1998-2003 Jaguar XJR, 2000-2002 Jaguar S-Type, 2000-2002 Jaguar XK8
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4508, PQ20TT, 90919-01145, 90919-01127, 90919-01127-83, 98079-561-48, 18218200018, 98079-561-58S, 
...View more
item #1002HGUW
Show less
Denso 4702 Spark Plug
DensoPart # 4702
Denso 4702 Spark Plug
44 Reviews
$14.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1992-1992 Acura NSX, 1992-1993 Acura Integra, 1994-2001 Acura Integra, 1994-2005 Acura NSX, 1996-1996 Acura SLX, 1997-1998 Acura Integra, 1997-2005 Acura EL, 2000-2001 Acura Integra, 2002-2006 Acura RSX, 2004-2008 Acura TL, 2004-2008 Acura TSX, 2005-2008 Acura RL, 2007-2009 Acura MDX, 1994-1995 Alfa Romeo 164, 1990-1991 Audi Coupe Quattro, 1992-1994 Audi 100, 1992-1994 Audi 100 Quattro, 1992-1994 Audi S4, 1993-1995 Audi 90, 1993-1995 Audi 90 Quattro
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4702, 22401 AA370, 22401 AA550, 22401 AA731, 22401 AA450, 22401 AA540, 22401 AA730, 22401 AA531, 
...View more
item #1002HKPE
Show less
Spark Plug - Denso 4704
DensoPart # 4704
Spark Plug - Denso 4704
44 Reviews
$20.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2013-2015 Acura ILX, 2006-2006 BMW 325i, 2006-2006 BMW 325xi, 2006-2006 BMW 330i, 2006-2006 BMW 330xi, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2007 BMW 525i, 2006-2007 BMW 525xi, 2006-2007 BMW 530i, 2006-2007 BMW 530xi, 2007-2008 BMW 328xi, 2007-2008 BMW X5, 2007-2008 BMW Z4, 2007-2010 BMW X3, 2007-2011 BMW 328i, 2008-2008 BMW 528xi, 2008-2011 BMW 528i, 2008-2013 BMW 128i
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
4704, 22401 AA630, 22401 AA580, 32 01 0632, 22401 AA751, 22401 AA761, 22401 AA670, 22401 AA750, 
...View more
item #1002HKC9
Show less
Denso 3518 Spark Plug
DensoPart # 3518
Denso 3518 Spark Plug
44 Reviews
$25.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2019-2022 Lexus UX200, 2019-2022 Toyota Corolla, 2022-2022 Toyota Corolla Cross
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3518, FC20HR-Q8, 90919-01297, 90919-A1005
item #1002HGR1
Show less
Spark Plug - Denso 3421
DensoPart # 3421
Spark Plug - Denso 3421
44 Reviews
$20.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 BMW 325i, 2006-2006 BMW 325xi, 2006-2006 BMW 330i, 2006-2006 BMW 330xi, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2006 BMW Z4, 2006-2007 BMW 525i, 2006-2007 BMW 525xi, 2006-2007 BMW 530i, 2006-2007 BMW 530xi, 2007-2008 BMW 328xi, 2007-2008 BMW X5, 2007-2008 BMW Z4, 2007-2010 BMW 328i, 2007-2010 BMW X3, 2008-2008 BMW 528xi, 2008-2010 BMW 128i, 2008-2011 BMW 528i, 2009-2009 BMW X5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3421, 32 01 0632, 22401 AA580, SK20HR11, 12293-PHM-A01, 90919-A1002, 90919-01235, 90919-01191, 
...View more
item #1002HDTT
Show less
Spark Plug - Denso 3289
DensoPart # 3289
Spark Plug - Denso 3289
44 Reviews
$20.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2000 Lexus GS300, 1998-2000 Lexus SC300, 1995-1998 Toyota T100, 1995-1999 Toyota Tercel, 1995-2004 Toyota Tacoma, 1996-1997 Toyota Paseo, 1996-2000 Toyota 4Runner, 1998-1998 Toyota Paseo, 1998-1999 Toyota Corolla, 1999-1999 Toyota Paseo, 2000-2000 Toyota Sienna, 2000-2004 Toyota Tundra, 2001-2002 Toyota 4Runner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3289, PK16TR11, 90080-91145, 94859009, 90919-01197, 94856823, 90919-01196, 90919-01192
item #1002HD8W
Show less
Denso 3484 Spark Plug
DensoPart # 3484
Denso 3484 Spark Plug
44 Reviews
$26.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2013-2018 Lexus ES300h, 2015-2021 Lexus NX300h, 2012-2017 Toyota Camry, 2012-2017 Toyota Camry, 2013-2018 Toyota Avalon, 2014-2017 Toyota Camry, 2016-2018 Toyota RAV4, 2016-2018 Toyota RAV4, 2017-2018 Toyota RAV4, 2017-2018 Toyota RAV4
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Lexus
Item LocatedUnited States
Quantity1
Part interchange
3484, FK16HR-A8, 90919-01259
item #1002HCGA
Show less
Page 2 of 5

What does a spark plug do?

A spark plug is like the ignition spark that gets your engine firing on all cylinders—literally. It’s a small but vital part that plays a huge role in the engine’s performance. When you start your car, the spark plug generates a spark that ignites the fuel and air mixture inside the engine’s cylinders. This controlled explosion powers the engine’s pistons, which then turn the crankshaft and keep the vehicle moving. Without the spark plug, the engine would fail to combust the fuel, and your car simply wouldn’t start.

Not only does the spark plug create this spark, but it also helps keep the combustion process efficient. A properly working spark plug ensures smooth engine performance, better fuel efficiency, and lower emissions. Over time, spark plugs wear out and can affect everything from acceleration to engine misfires. So, while it’s a small part, its job is crucial for your vehicle to run properly and efficiently.

Symptoms of a bad spark plug

Bad spark plugs can cause several noticeable symptoms in your vehicle. You might experience engine misfires, where the engine runs unevenly, jerks, or stalls. Poor acceleration is another sign, with your car feeling sluggish or slow to respond when you press the gas pedal. A rough idle, where the engine shakes or vibrates at a stop, is also common. If you notice your car is using more gas than usual, it could be due to decreased fuel efficiency caused by faulty spark plugs. Hard starting, where the engine takes longer to crank, and the Check Engine light coming on are also indicators. Lastly, you may see increased exhaust emissions, with a strong gasoline smell or black smoke coming from the tailpipe. If you notice any of these, it’s a good idea to check and replace your spark plugs.

Get the best spark plugs here at A-Premium

Say goodbye to rough idling, engine misfires, or starting issues with the new spark plugs from A-Premium. Our spark plugs are compatible with virtually all makes and models across a wide range of heat ratings. Shop online now and enjoy free shipping and fast delivery.

At A-Premium, we make it simple to find the perfect parts for your vehicle. If you're asking, “Which spark plugs do I need?” just enter your car’s year, make, model, and engine details at the top of this page, and we'll help you choose the right spark plugs. For example, if you need spark plugs for your Honda Civic, just enter its information, and we’ll recommend the perfect fit. Shop now!

Related Blogs

What Does It Sound Like When a Spark Plug Goes Bad?

This expert guide breaks down the distinct sounds of a failing spark plug. Featuring a professional diagnostic matrix and step-by-step troubleshooting, you will learn how to isolate spark plug noises from other mechanical issues.

Jul 23, 2026

Spark Plug Replacement for Cold Weather Starting Issues

Spark plugs replacement for cold starts: fix crank no start, cold start misfire, and ignition coil symptoms in winter.

Jul 21, 2026

How to Read Spark Plugs: Diagnosing White, Black, and Oily Deposits

By pairing visual symptoms with immediate root-cause fixes, the article guides readers on how to troubleshoot rough idling, prevent severe cylinder damage, and restore peak engine efficiency using high-quality ignition replacements.

Jul 21, 2026

What Does a Rough Idle Mean? How to Spot Bad Spark Plugs Before Your Car Stalls

This guide explains how failing ignition components cause engine shudders and misfires, provides a step-by-step DIY diagnostic routine to read spark plug conditions.

Jul 21, 2026