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I did spray it in there, but not when it was running. I had to take the air box off to get to the throttle body so I can't start the car with that off, can I?

Oh, no... Where do I spay it in?

A friend of mine scanned it. Cylinder 1 misfire, cylinder 3 misfire, random multiple misfire, max engine RPM exceeded ***WARRANTY VOID***.... teaching the girlfriend to drive, slams it from 4th to 1st at 30... could be the cause of the last warning.

Had the codes wiped, and the cylinder 1&3, and ...

Took the air box off, cleaned a lot of the gunk out of the throttle body, now looks like a mirror. Checked all the hoses anyway, no splits or holes or loose connections... Started it up and a big belch of white smoke came out, probably the cleaner burning off. It runs a little better, is a lot less ...

So I've got a polo 6n2 1.0, 51 plate, a touch over 40k on the clock, full service history from a vw garage, and it's misfiring at idle. It won't do it all of the time, and it runs fine when you put your foot down, but at idle it will rev anywhere between 1000 and about 500, and will feel like its ...