I was misfiring on Cyl1 one morning about a year ago after a week of raining. After the car warmed up the misfire went away and all was fine. I thought maybe my wires were bad (I had 111,000 miles) so I replaced the wires and plugs and yet the problem persisted. Around 120,000 (6 years and the stock battery was still working!) miles I replaced the battery with a red-top and the problem went away... at least i thought it did. Driving home from my mom's house in Rochester NY I hit some cold rain and began misfiring in the middle of nowhere. VAG-Com on the side of the road revealed Cyl1. The car has 131,000 miles on it! Still running strong!
Ignition coil on a 2.0L AVH but it's pretty much the same on any other 2.0 and probably the VR as well, just a slightly different part.
First thing you have to do is remove the secondary air injection pump. Well... I didn't "remove" it, I just unscrewed it and threw it on the intake manifold while still connected.
There are three 10mm bolts.
that one is hard to get to. Once you've unscrewed all the bolts you just got to jiggle it out of there. You don't have to disconnect the hoses and move it aside.
I think they were 5mm allens and that's all it takes. I took the coil out before I took out the spark wires because they're easier to get off. It's also easier if you remove that little wire organizer clip thing.
Once it's gone you can install the new one with the three allens. Put the plug wires back on and clip it back in.
You are done and if your SAI's top nut was broken you can use a zip tie
Modified by jrowny at 1:05 AM 4-24-2007