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- CX-9 GT 2019
For a non-boxer turbo 40k interval does not look like an issue at all...
My '15 WRX has 60k interval for spark plugs. But its worth changing early. I stretched it to 60k and got ~2 mpg jump and better idle when I finally changed them.
My '15 WRX has 60k interval for spark plugs. But its worth changing early. I stretched it to 60k and got ~2 mpg jump and better idle when I finally changed them.