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28/07/2021 8:36 pm
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Do you have to replace all spark plugs (depending on how many plugs there are) even if one or two of them went out?
4 Answers
6
28/07/2021 8:39 pm
I would, for the sake of even combustion across all cylinders and because if one or two are bad the others will probably not be far behind.
4
28/07/2021 8:39 pm
I always change them all out together.
4
29/07/2021 12:41 am
They’re so cheap for most cars these days, why would you want to guess (with the other plugs) when diagnosing a problem?
1
29/07/2021 12:45 pm
Change all and move on! If ones bad others can possibly start acting up. Again it all about age and mileage
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