In the art of diagnostics, when dealing with multiple problems, the question always is "ARE THESE PROBLEMS RELATED"?
In Parts 1 and 2 we took care of the malfunctioning PRNDL display, and then a poor battery terminal causing an intermittent no-crank situation.
Part 1: [ Ссылка ]
Part 2: [ Ссылка ]
However, the last customer complaint of a "P0088 - Fuel Pressure Too High -Limp Home" was only reproduced once before the initial repairs.
Now that the other issues are sorted out, I want to take a deeper dive on the P0088 and try to recreate the exact conditions for setting the code, with detailed data graphing using the Snap-On Verus. Keep in mind that an aftermarket PPE Lift Pump is installed on this truck:
[ Ссылка ]
The findings are very interesting!
Enjoy!
Ivan
