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  1. Alternative Fuels Diesel Additives Lubricants
    Hey has anyone used an alternative to the GM Top Engine Cleaner for the concentrated cleaning process (where you plumb in a small fuel tank and run 1/2gal diesel plus the cleaner)? I have read that GM discontinued the X66P and the new one (10-3015) may or may not be as effective, nor made for...
  2. 911 Problems Forum
    Good morning. I have an 05 6.6L 97k all stock. Never had many issues. Was my father in laws truck been serviced religiously. well taken care of. I picked up a tractor and some attatchments on a 3 hour one way trip, returned home. That night I ran it to the fuel light was home... late trip...
  3. General Discussion
    I want to clean my injectors on my 2018 L5P Denali I pulled 4 fuses from inside the engine fuse box and can’t get the fuel pump to stop pumping fuel. I’m doing the gallon of Diesel with half Bottle of Top Engine Cleaner I disconnected the 2 fuel lines and hooked up 2-4’ lines into a gas can...
  4. 911 Problems Forum
    Hi, I have had high injector balance rates right after driving before 1# -.2 #2 1.9 #3 1.2 #4 -1.1 #5 -.7 #6 1.2 #7 -.9 #8 -.9 after #1 -3.9 #2 5.6 #3 5.3 #4 -2.0 #5 .2 #6 3.9 #7 -5.9 #8 -3.3 in park I decided to do injector cleaning with 10-3015 half can with .5 gallons of diesel right during...
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