My 2.0L Jetta had an intermittent misfire, only at idle. I took it in to the shop, and they fixed a vacuum leak and replaced the plugs. The car drove home fine, but the next morning it was misfiring at all speeds. When it got back to the shop, they said that the coil pack was bad, and it would co…

2002 VW Jetta Ignition Coil(s)

jaredyates March 20, 2011, 2:24am 5

Thanks, I am glad to hear that it is plausible for a coil to fail in those circumstances.