skipping engine

Hello everyone, New to the forum and I've been diagnosing some issues on my 2001 GTX RFI so I thought I would share. Bought the jet ski and it was running a little rough and fouling plugs so I cleaned the RAVE valves and it was running like a dream. Before taking it down to my house on the...

I have an 06 GTI that has been sitting for about 6 months. I change the oil and cleaned it up and put in the water. it had the old gas in it but started and ran fine. after about 10 minutes of running it dropped a cylinder during idle speed. pulled the plugs to check they were fine but real...