Hi, I am a newbie to this site but have used its advise to solve my problem of black smoke when accelerating. I tried the fuel additives and then the Terraclean but no joy. I then noticed people mentioning split intercooler pipes, and yes you guessed it a 9cm split. I followed a you tube video and fitted the new part, not easy but manageable. Result no more black smoke , mileage up from around 40 to 48mpg so am very happy. I would therefore say to a big thank you to everyone who has posted solutions to black smoke problems, it certainly helped me.
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