VW GTI · Q&A
Owner questions, answered
20 questions from GTI owners, each answered by MrGTI and free to read. Newest first.
- My DSG GTI shifts jerkily and went into limp mode. Is it the mechatronic unit?
- What coolant does an EA888 GTI take, and do I need to bleed it after a water pump?
- What does a Stage 1 tune give on a stock GTI, and what should I watch?
- Does the Mk7 GTI have the timing chain tensioner problem?
- Will a catch can stop carbon build-up on the intake valves of my GTI?
- Is the Mk7 GTI really the best GTI to own?
- How do I change the oil on an EA888 GTI myself?
- What do the common GTI fault codes like P0171, P0300 and P2015 usually mean?
- Where do I find the engine code on my GTI, and what do the letters mean?
- What scan tool do I need for a GTI, and is a generic OBD reader enough?
- DSG or manual GTI, which should I buy?
- What is the difference between Stage 1, Stage 2 and Stage 3 tuning on a GTI?
- What should I check when buying a used Mk7 GTI?
- Does the DSG gearbox need servicing, and what goes wrong with it?
- Thinking of buying a Mk4 GTI 1.8T. What kills these engines and what should I check?
- My 2010 GTI uses a quart of oil every 800 miles with no leaks. Is that the piston rings?
- My Mk6 GTI keeps losing coolant but I cannot find a leaking hose. Where is it going?
- How often should I change the oil and service the DSG on a Mk7 GTI?
- Rough idle and cold start misfires on a Mk5 GTI 2.0 FSI at 80k miles. Is it carbon build up on the intake valves?
- Mk6 GTI rattles for a second or two on start up. Is that the timing chain tensioner?