How often should replace Plugs and Wires? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-15-2011, 08:01 AM   #1
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Default How often should replace Plugs and Wires?

I noticed I am about to come up on 10k miles since I replaced them. Should I just pull each one when I hit 10k and clean and gap the if need be or can I get buy another year before I need to due so. I know that you should replace your air filter every 50k depending on your driving habits but I didn't know about the plugs and wires. So what due yall think go another year or check them when I hit 10k.
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Old 02-15-2011, 08:04 AM   #2
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Depends on the plugs you are using. Some plugs can go many years. I replace mine every year, but I'm using Autolite copper.
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Old 02-15-2011, 08:07 AM   #3
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some of the original plugs have gone 100k for me but i have never had a replacement set go more than the e3s i have now. its my first set and i have 65k with no issues. ive tried replacing with the same brand and model but they dont seem to last.
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Old 02-15-2011, 08:12 AM   #4
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I am using the Ac-Delco Copper Spark Plugs with an off brand wires. I think they are the O'Reilly house brand wires but not for sure.
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Old 02-15-2011, 08:19 AM   #5
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if you dont drive very many miles they are fine, probably what came in your car, i would have to replace them 2-3 times a year so they dont make sense for someone who puts the miles on.

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Old 02-15-2011, 09:50 AM   #6
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Copper plugs have an expected service life of about 20-30K miles depending on abusive driving style etc. Plug wires, well they are good until they cause you issues.

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Old 02-15-2011, 04:47 PM   #7
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Cool so I will check them next year then. It will allow me to get other things done to my car for the time being. It would be nice it my car would give me one month of freedom of something not breaking or leaking. Now that would be nice.
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