How to Thoroughly Clean Gas CIS Fuel Injectors

Some will need to be "back flushed"

Let Kent show you why some older C.I.S. fuel injectors can not be thoroughly cleaned by normal pressure flow cleaning. There is something inside the fuel injector that will need to be back flused with cleaning fluid. Watch the video to learn more. 

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Problem & Solution

Common among these chassis:

R107
W116
W123
W124
W126
R129
W201