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09/02/2024 1:52 pm
Topic starter
Hi Scotty,
We just replaced the spark plugs on my 2011 Subaru Impreza outback sport 2.5, automatic, 150k miles. I'm curious why the spark plugs in the back 2 cylinders wore down less than the front 2 cylinders?
Thanks!
1 Answer
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10/02/2024 6:34 am
Well nothing works exactly the same with 150,000 mi. I would expect Warren spark plugs. It could just be that the air fuel mixture is slightly different than the back too and so they might burn a little bit hotter and where the plugs out a little bit faster
