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Carbon build up hard seen at my engine cap

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Hi there, I just bought a 3.0 04 engine alphard and is pulling ok, has power doesn't burn oil and is not bad on petrol, but once ived open the oil cap looks like is a hard crust of dry oil there, oil on deep stick looks ok, a bit over the limit... what should I do?! Any ideas? ! Decarb, seafoam, clean egr/ pvc, MAF...?! With many thanks in advance

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That's normal mine does the same. If it aint broke dont fix hit. However I change the oil every 6 months with decent brand oil and every 8 - 10 fill ups but a full tank of premium fuel in. 


If you are worried use lucas fuel cleaner. Ran that in my estima and done wonders for it. 

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