Originally Posted by bec
yes fuel filter saturated with engine oil.orings were changed about two years ago.probably has 40000 on the set of orings.
has to be orings. the HPO is blowing past the orings that seperate the HPO ports from the fuel ports in the head and being back fed into the fuel system through the rail in the head, under pressure, to the fuel bowl. my truck did this as well, it was the injector o rings
Originally Posted by melmount
how do you know this? how are they tested
"1 ,3 and 5 injector oil spill over is weak "
whats it mean?
i would assume he means the amount of oil coming out of the spill spouts on the injectors, ie runnin with valve covers removed and visually verifying the oil coming out of the injector spill spouts