10 votes

Do I change all four coils when I change one spark plug that is faulty

You shouldn't need to change the spark plug coils unless they are faulty, so the answer to your question is no, you don't need to replace the coils again. There probably wasn't a need to replace all ...
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1 vote

Should I replace spark plugs on a 2000 Toyota?

While I agree with @jwh20 on what could go wrong, this is a routine maintenance item which is commonly doable by (my subjective opinion) almost anyone who can change oil. If you are careful removing ...
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  • 854
1 vote

Should I replace spark plugs on a 2000 Toyota?

I'm sure the cylinder head on this vehicle is Aluminum and the spark plugs themselves are steel. So you do have the potential for corrosion to seize these into place making replacement difficult. I ...
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  • 8,544

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