Hey, i have a 2004 Subaru Impreza and had the catalytic converters removed. i was after new spark plugs and in the owners manual, it has an option of different spark plugs to use if you have no catalytic converters. I was wondering what is the difference it has to the engine and would it cause it to run differently.
The heat that the electrode section of the spark plug receives due to combustion is dispersed through the path in the figure. The degree to which a spark plug disperses the heat it receives is called its “heat range”. Spark plugs with a high degree of heat dispersal are called high heat range (cold type) and those with a low degree of heat …
Understanding The Different Types Of Spark Plugs
We’ve also got spark plugs designed for a diverse range of brands such as the NGK Standard Spark Plug, Denso Original U-Groove …
So last year my check engine light went on, went to auto zone to check the code and it was the o2 sensor,,,being the procrastinator that i am , i never got around to doing anything about it until i failed emmissions test. Only now, it was o2, evap and Catalytic converters..ugh,,so i did the o2…
People Also Ask why different spark plugs with a catalytic converter
How do spark plugs work in an engine?
After the gas/air mixture has been fully compressed inside the cylinder head, spark plugs serve a miniature bolt of lightning, igniting the mixture to create an explosion which pushes a piston downward. Spark plugs aren’t needed on diesel engines, which run at higher compression ratios sufficient to create combustion without the help of a spark.
Should you switch to a hotter spark plug?
Other reasons to switch to a hotter plug include a rich fuel-air mixture, and engine which burns oil, or a high percentage of local and low-speed driving. In each of these cases, a hotter plug will help keep the spark plug tip from becoming fouled.
Are copper/nickel spark plugs better?
However, there are cases when copper/nickel plugs are advantageous. Because copper delivers the best spark under the adverse conditions generated by turbochargers or higher compression ratios, some manufacturers of high-performing late-model vehicles design their engines to use copper/nickel plugs as original equipment.
Do diesel engines have two spark plugs?
Spark plugs aren’t needed on diesel engines, which run at higher compression ratios sufficient to create combustion without the help of a spark. While 99% of engines feature one spark plug per cylinder, some high-performance engines such as modern Chrysler Hemi V8s have used two plugs per cylinder since their introduction.
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