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What do you need to change spark plugs?

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On many four-cylinder engines, changing spark plugs is a beginner-friendly job that takes under an hour. On some V6 and V8 engines, the rear plugs are buried under the intake manifold, and the job becomes much harder. Look at your engine first, then gather the right tools. Tools and parts Step by step When to … Read more

How many spark plugs does a V8 have?

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A V8 engine usually has eight spark plugs, one for each cylinder. But there is an important exception: some V8s use two plugs per cylinder, which makes sixteen. The rule: one plug per cylinder In a gasoline engine, each cylinder needs a spark to ignite the air-fuel mixture, and in most designs a single plug … Read more