All Things Mk5 > How to Guides / Troubleshooting

Boost issue!

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Andy-GTI:

--- Quote from: beetie on April 18, 2015, 07:42:48 pm ---Strange idle could be due to carbon build up in the head.

--- End quote ---

May run a can of BG44K through mine see if it helps clean some carbon & injectors etc. Heard its decent stuff.

Davewilkins:
I've just got the wynns direct injector 3 spray to use first.  Same sort of deal - spray through PCV hose whilst engine at 2k plus bottle in the tank. I don't hold out much hope but it's worth a try for £20.

martin@gti.co.uk:
fuel additive wont work on head port carbon build up on tfsi / tsi

You might try some solvents via temp switch hole at intake manifold, but best thing is just take your inlet off and scrape it off, for best results.

Davewilkins:
The cleaner goes through PCV or temp sensor hole for the inlet valves And then bottle in the tank for injectors. I'm doubtful it will work but worth a shot!

Andy-GTI:

--- Quote from: Davewilkins on April 18, 2015, 10:17:38 pm ---The cleaner goes through PCV or temp sensor hole for the inlet valves And then bottle in the tank for injectors. I'm doubtful it will work but worth a shot!

--- End quote ---

For the price it cant do any harm, so I agree its worth a shot!

Going to go for the PCV replacement on mine also as its not been done, and worth a go for the preventative measures also.

Will report back see if it sorts my idle out. Apologies for thread hi-jacking :signLOL:

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