Yes they were oem coil packs straight from mazda, the plugs were NGK and I don't remember off the top of my head what # but it was happening even prior with the old plugs as it was running fine for a few months and then started doing this only about a week ago
Hey guys, so I've been having some issues with my speed 3 lately and I'm struggling with figuring out what it is. So the car runs smooth at idle and during regular driving but as soon as I hit peak boost it breaks up really hard i also had a cylinder 4 misfire code pop for only a small period of...