Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
5.4L Engine
15. Disconnect the following vacuum connections:
1
fuel pressure regulator vacuum hose (not visible on 4.6L illustration)
2
Engine Vacuum Regulator (EVR) hose
3
EGR vacuum hose
4
vapor management valve vacuum hose
16. Disconnect the PCV hoses and the PCV coolant hoses.