RAM 3500 Van V8-52L CNG Fuel Pressure Test - With Test Port
c) Be sure manual gas shut-off valve is opened (in horizontal position).
d) Be sure there are no kinks or bends in any of fuel tubes.
e) Refer to Low pressure fuel shut off solenoid testing.
See: Fuel Delivery and Air Induction/Fuel Shut-off Solenoid/Testing and Inspection/Low Pressure Fuel Shut-Off Solenoid (CNG)
f) Refer to High-Pressure Fuel Shut-Off Solenoid Test.
See: Fuel Delivery and Air Induction/Fuel Shut-off Solenoid/Testing and Inspection/High Pressure Fuel Shut-Off Solenoid (CNG)
g) Refer to fuel injector test.
See: Fuel Delivery and Air Induction/Fuel Injector/Testing and Inspection
After tests and repairs have been completed:
8. Remove pressure test gauge.
9. Check system for leaks. Refer to Testing For Gas Leaks for procedures.
10. Install air filter housing.
11. Install engine cover.
