Quote:
Originally Posted by Coleroad
He's calling the carbon build up dirt. The carbon on the back of the valves has nothing to with your injectors failing. These are to separate problems. Sorry Dackelone I thought it would add Anshk's question too. The second part was directed to him.
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thanks!
How can I know it's intake valves which are dirty and not injectors for example?
I used 3 bottles of BG 44 over 7kmiles and I think oil was too thin finally resulting in rough cold start. After oil change the starts became way better-smoother revs from 1400 rpm down to 700 without problems.