Quote:
Originally Posted by unclebilly
Something I cant understand is how fuel brand could make a difference. With direct injection, the fuel is injected into the combustion chamber directly so it never sees the back of the intake valve like it would in a port injection engine.
I've seen comments like this elsewhere and don't understand the logic. I'm not saying its wrong.
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This came up on another forum. Some companies seem to have the bugs worked out on their DI engines. Many do not.