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De-coking the engine
After running for some time with a rich mixture is it possible to de coke the engine using a additive in the fuel. I've read that such additives are harmful to the engine seals etc. and do not really work.

Some say Redex and some say WD40 squirted in to the plug holes but I'm a bit concerned about doing damage.

The Citroen specialist informed me today to add such additive to clean the coke out for about a month then the engine would run better.

I was thinking of giving the engine a engine flush and changing the oil.

What do people think.

Some additives do work and some don't.

Lots of people on here use Miller's as do I , and it does a good job.
If you can get it in OZ,I recommend Forte products.Redex can be used by applying through plug holes on 2 cyls at a time on TDC,on a hot engine.Leave overnight & blow excess out before fitting plugs & repeating on the other 2.BEWARE,I don't know if it will harm the cat.
Strawberry flavoured windows  Dodgy
Thanks Ron,

I'm changing the cat this weekend so I shall google the products you & Homeruk mention to see if I can purchase them in oz if not then fleabay should have them.
forte all day long, or wurth are good but more expensive than forte
Hi Pitpan,
You could try the "Italian Tune-up" Take it for a hell of a thrash :-)
Ex 1.4 Berlingo Multispace
Bought some nuylon fuel booster and engine cleaner so I'll see how that goes before I do the itie burnout
Used Forte on my old Escort and it seemed to improve the performance, I've also used Millers additives over the years and they work.
So where does this bit go then ?

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