Quote:
Originally Posted by bimmer456
I would replace all spark plugs if one is misfiring. It will cost you something but will be more reasonable if you diy. You may need to replace all coil packs as well. Not sure how soon you need those but you can get them from FCP Euro for a lifetime warranty less shipping so it's helpful if you live near them.
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To clarify, I did replace all the plugs, and now all cylinders are misfiring.