Toyota Repair Problems? Ask a Mechanic for Answers ASAP
I can assist you with that question. Unfortunately, Toyota did not provide a test port, you must tee into the fuel rail using an adapter.
The fuel pressure regulator is at the end of the fuel rail.
I am enclosing drawings for your convienience.
thanks, XXXXX XXXXX in the mornin' and see if I can interpret and apply your answer.