Oh yeah, they work. For a fast clensing, pour the entire bottle into the fuel tanks, or, while changing your fuel filter, fill the filter with Stanadyne or Power Service. Then continue to add to every tank or two. It does make a difference. Tim
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
The Diesel Stop
A forum community dedicated to all Ford Diesel owners and enthusiasts. Come join the discussion about PowerStrokes, performance, modifications, troubleshooting, towing capacity, maintenance, and more!