My spark plug firing order is 1342. On spark plug 1, there is a rubber stopper on the sides of the spark plug that is preventing me from changing it out... spark plug 2 did not have this issues... spark plugs 4 and 2 has a big black square housing unit on top that is covering the spark plug at the bottom, when I pulled it off there was a rubber stopper there too that prevented me from pulling the spark plugs out of there too.. I'm just really lost on how to change these out and get the rubber thingy out of the spark plug whole.!
My car has 226000 miles.
My car has an automatic transmission.
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