The "Auto Doctor" and carbon build up
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The "Auto Doctor" and carbon build up
There is a weekly column in the paper I read (Newsday), "Ask the Auto Doctor," that answers readers' questions about problems with their cars.
I wrote to him asking for his take on the Mini Cooper's, as well as other direct injection cars', carbon build up situation.
He replied "Around 50,000-70,000 miles is most common for carbon build up and timing chains." "If there is a carbon build up causing problems, sometimes a double dose of cleaning (top engine cleaning) will remove the carbon."
He further recommends a good quality fuel injection cleaner, one can every other fill-up.
He did say if the top engine cleaning doesn't work, a manual cleaning might be necessary at a cost of $600-$800.
What is a "top engine cleaning?" How can fuel injector cleaner work if it never touched the back of the intake valves???
I'm starting to be of the opinion that carbon build up in direct injection engines must be much more widespread that I thought.
I wrote to him asking for his take on the Mini Cooper's, as well as other direct injection cars', carbon build up situation.
He replied "Around 50,000-70,000 miles is most common for carbon build up and timing chains." "If there is a carbon build up causing problems, sometimes a double dose of cleaning (top engine cleaning) will remove the carbon."
He further recommends a good quality fuel injection cleaner, one can every other fill-up.
He did say if the top engine cleaning doesn't work, a manual cleaning might be necessary at a cost of $600-$800.
What is a "top engine cleaning?" How can fuel injector cleaner work if it never touched the back of the intake valves???
I'm starting to be of the opinion that carbon build up in direct injection engines must be much more widespread that I thought.
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