Running rough on startup

Tiny
TT
  • MEMBER
  • 2003 AUDI TT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 90,000 MILES
I have an 03 Audi tt, 1.8 litre engine, it runs rough on start up, code reads random misfire and missing on 2 and 4 cylinders. I have tried gas treatment and running non ethanol gas but neither has helped. Been doing it for about 5000 miles now. Any ideas? Thanks, Jim
Sunday, January 9th, 2011 AT 6:37 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light and when was the last tune-up?

Random misfires normally caused by vacuum leaks and bad fuel-check the sparkplugs/compression and injectors for no2 and 4 cylinders -start here
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Sunday, January 9th, 2011 AT 7:02 PM

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