All Things Mk5 > How to Guides / Troubleshooting

Carbon on valves?

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breeze:
I used it a bit randomly to be honest. First was a full bottle and around half a tank. I probably used 3 cans/bottles over a 6m period.

First bottle definitely smoothed things out in a way that was quite obvious. Next two less so but I don’t see why they would not have improved things; just to a lesser extent.

High octane fuel, an Italian tune up and some injector cleaner. Like I said, not expensive.

SANDEGTI:
Thank you, just got an update to say it's arriving tomorrow and now I can't wait to put it in the tank.  :grin:

I'll see what happens after the first bottle, I've only ever used premium fuel and it gets a good Italian tune up every day. Apparently Liqui Molly continues cleaning for 1.2k miles which is interesting. Heard a lot of good stuff about it.

pudding:
I stopped using the Liquimoly as I found myself putting a can in with every refill to keep the idle smooth.  It was becoming an addiction.....I could see myself being a 3 cans a day man  :grin:

When I stopped using it, the idle got rough as a badgers arse for about a month, but then smoothed out again.  I think that cleaner removes a 'cushion' of debris that builds up on the pintles over several years, which then alters the spray patter or something, not sure. Either way, these sodding engines need injectors every 80-100K regardless to keep them running well.

SANDEGTI:

--- Quote from: Pudding on October 06, 2022, 10:32:30 am ---I stopped using the Liquimoly as I found myself putting a can in with every refill to keep the idle smooth.  It was becoming an addiction.....I could see myself being a 3 cans a day man  :grin:

When I stopped using it, the idle got rough as a badgers arse for about a month, but then smoothed out again.  I think that cleaner removes a 'cushion' of debris that builds up on the pintles over several years, which then alters the spray patter or something, not sure. Either way, these sodding engines need injectors every 80-100K regardless to keep them running well.

--- End quote ---
Sounds like you need to lay of the Liqui Molly for a little bit  :signLOL:

I've never been so disappointed, it never arrived today. Supposedly coming tomorrow but I'm worried if I'll become an addict if this stuff is as good as they say it is. I've seen a video on how it works, the guy put it straight through an injector and it started cleaning it up pretty quickly, before it was just spraying in a straight line but afterwards it was more spread out and consistent. A bit like when you change the shower head after a few years  :grin:

Apparently it continues to clean them way after you put it in so might explain why it got smoother after a month?

pudding:
Yeah, it's cheaper to drink beer  :grin:

I should clarify.....the idle got rough again when I went to LiquiMoly Anonymous for a month, but then smoothed out again whilst still sober  :grin:

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