OEM Spark Plugs

3 Ways Faulty Spark Plugs Affect Engine Performance

Spark plugs are essential to your engine's functioning since they ignite the fuel-air combination that propels your vehicle. When they malfunction, the consequences might be severe. Learn how defective spark plugs may wreak havoc on your engine performance. Learn about the top three troubles they create and how to avoid them.

1. Poor Fuel Efficiency

One of the first indications of damaged spark plugs is a substantial decrease in fuel economy. Spark plugs ignite the air-fuel combination in the engine's combustion chamber. When worn out or damaged, they cannot ignite the mixture effectively. This results in incomplete combustion, which leaves some of the fuel unburned. As a result, your engine needs more gasoline to provide the same amount of power, leading your vehicle to use more petrol than usual. Maintaining maximum fuel economy may be accomplished by frequently inspecting and changing the spark plugs.

2. Misfires in the Engine

Faulty spark plugs might cause your engine to misfire, which occurs when one or more of the engine's cylinders fail to ignite properly. Misfires can cause symptoms such as rough idling, stalling, and decreased engine power. The misfire happens when the spark plug does not provide enough spark to ignite the fuel-air combination in the cylinder. This not only impacts engine performance, but it can also cause damage over time if not addressed. Misfires may be avoided, and smooth engine running can be ensured by routinely inspecting and maintaining spark plugs.

3. Increased Vehicle Emissions

Faulty spark plugs might raise your vehicle's emissions. When spark plugs fail, they induce incomplete combustion, releasing more unburned hydrocarbons into the exhaust system. This not only contributes to environmental pollution, but it may also cause your vehicle to fail emissions testing. Increased emissions also signal that your engine has other underlying issues that must be addressed. Maintaining your spark plugs in excellent condition can decrease your vehicle's environmental impact while ensuring it runs clean and effectively.

Maintaining your spark plugs is critical for achieving peak engine performance. Remember to consider the importance of spark plugs to your engine's health. Find immediate replacements here!

BSF42CX - : Spark Plug for Ford Image

Spark Plug

Ford BSF-42C-X
$4.12
MSRP $6.24
Save $2.12
34% Off
SP461 - : Spark Plug for Ford Image

Spark Plug

Ford SP-461
$4.60
MSRP $6.96
Save $2.36
33.9% Off
SP416X - : Spark Plug for Ford Image

Spark Plug

Ford SP-416-X
$5.65
MSRP $8.56
Save $2.91
34% Off
SP473AX - : Spark Plug for Ford Image

Spark Plug

Ford SP-473-AX
$5.57
MSRP $8.44
Save $2.87
34% Off
AGSF22WMX - : Spark Plug for Ford Image

Spark Plug

Ford AGSF-22W-MX
6.8L. 5.4l sohc.
$5.45
MSRP $8.25
Save $2.80
33.9% Off
AZFS32FEX - : Spark Plug for Ford Image

Spark Plug

Ford AZFS-32F-EX
2.0L.
$8.01
MSRP $12.45
Save $4.44
35.7% Off
AZFS22FEX - : Spark Plug for Ford Image

Spark Plug

Ford AZFS-22F-EX
$6.91
MSRP $10.75
Save $3.84
35.7% Off
HYFS094YECX - : Spark Plug for Ford Image

Spark Plug

Ford HYFS-094-YECX
1.5L.
$14.39
MSRP $22.36
Save $7.97
35.6% Off
AGSF34FMX - : Spark Plug for Ford Image

Spark Plug

Ford AGSF-34F-MX
4.2L. 2.0L sohc.
$5.66
MSRP $8.58
Save $2.92
34% Off
PZK14FX - : Spark Plug for Ford Image

Spark Plug

Ford PZK-14F-X
Vendor:motorcraft. Vendor #pzt 2f-f4.
$14.39
MSRP $22.36
Save $7.97
35.6% Off
AWSF54C - : Spark Plug for Ford Image

Spark Plug

Ford AWSF-54C
$4.93
MSRP $7.47
Save $2.54
34% Off
AWSF42CX - : Spark Plug for Ford Image

Spark Plug

Ford AWSF-42C-X
Standard. Vendor:motorcraft. Vendor #awsf 42-c.
$4.21
MSRP $6.38
Save $2.17
34% Off

No results found for "spark plugs". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!