I waited till like 100k to do my spark plugs on my 2013 Crosstrek, they were still good just not as efficient
Just traded in my 2015 Forester with 219,000 miles and the original spark plugs.
We changed that spark plug and the customer was happy with the magneto drop. That spark plug worked fine on a Champion spark plug bomb test.
Champions quiet redesign of their plugs to match Tempest made up my mind. It matters, and Champion is just trying to save face.
Normally that's a result of a failed spark plug seal. If you have no other problems I would put new spark plugs in it and check them at the next oil change.
We just got the 60k service done (spark plugs) and it still does it.
Champion is garbage.
Champion aren't a great brand. They may have been at one point, but not any more.
BEWARE O’REILLY’S AUTO PARTS CHAMPION SPARK PLUGS ARE WEAK AND BREAK AT THREADS AFTER HAND TIGHTENING AND THEN TIGHTENING NOT EVEN A QUARTER INCH OF A TURN, WAY BEFORE THE TORQUE SPEC AND THEY TWIST RIGHT OFF N BREAK.
Like everyone has mentioned just go back with an ac delco plug. I ran champions and had Mis fires, none of them were gapped right out of the box.
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