I did. No codes, but at just over 200k miles I figured I should since they would likely need replacing soon. It would be weird you have a mix of coils at that milage. Those inserts suck, it happens. Seems some engine are worse than others, like it really came down to whomever tightened down the coils that day. use JB Weld metal on metal putty, seems to hold up to high temps. Most liquid exposes dont handle high temps well and if they do, not for long periods.