All Things Mk5 > How to Guides / Troubleshooting

Mk5 gti starting issue

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Clgale1988:
How does the cylinder get coked up of its regulary had a oil change then surely it wont get that bad will it?

r5gtt:
Try this.

http://www.mk5golfgti.co.uk/forum/index.php?topic=79369.10;wap2

Clgale1988:
Il try plugs and get some injector cleaner see if that works also i have only been running the car on normal unleaded no super unleaded or anything will that make a difference

r5gtt:
Do the basics as mentioned. you can try change the fuel to 97 ron super unleaded as it will smoothen out your drive but not sure how much it will help in the long run as the damage already seems to be done. I've used BP untimate and it makes the car feel a litre quicker on throttle response but I use regular 95 ron although should be running 97 as specified on the fuel cap but never bothers me. did a log on vagcom a while back and Dan_FR said it was running fine so I'm happy with that.

Clgale1988:
https://www.ebay.co.uk/ulk/itm/151123439925

These the correct plugs says for a civic but id imagine still fit the golf

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