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I put that coin looking type spark plug gap tool in between the groung electrode and the electrode and pryed it open gently, ? is, is that plug still good?
You can just pry it back and reset the gap. If it snaps then obviously you'll have to buy a new one. You just need to slide the coin to the desired gap, you shouldn't have to pry anything.
I put that coin looking type spark plug gap tool in between the groung electrode and the electrode and pryed it open gently, ? is, is that plug still good?
Was the gap wrong? That's what the tool is for, to measure and widen the gap if needed. Tap the tip gently on a hard surface, like concrete to narrow the gap.