Do Catch Cans REALLY Work?

Do Catch Cans REALLY Work?

Catch cans are a common upgrade for many cars including direct injection engines. They are said to keep oil out of the intake, and reduce carbon build up. But does the catch can really work? This is the results of a 3,000 mile service on the Black Forest Industries Catch Can installed on my 2015 Tiguan. The result of reducing carbon buildup is still unknown. Testing the truth about a catch can fixing carbon issues is a long and high mile test with so many variables. I wish I could do that test, and do it right.

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3 replies
  1. Ralph Maclean
    Ralph Maclean says:

    Some car manufacturers are now using dual injection systems. They have port injection and direct injection. I’ve heard that VW is using dual injection on their cars in Europe. This seems to fix the carbon buildup on intake valves. However this makes the injection system that much more complicated.


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