Impulse L4-1994cc 2.0L (1985)
a. Check for defective pressure regulator. Replace as necessary.
b. Check for restrictions in fuel return line. Repair or replace as necessary.
c. Check for defective fuel pump. Replace as necessary.
6.
If fuel pressure lowers immediately after fuel pump stops, proceed as follows:
a. Check for defective fuel pump. Replace as necessary.
b. Check for defective pressure regulator. Replace as necessary.
c. Check for leaking fuel injector. Repair or replace as necessary.