F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
Fuel Delivery Valve Assembly: All Technical Service Bulletins
Bi-Fuel System - No Start in CNG Mode/Lamp ON
Article No.
02-10-3
05/27/02
DRIVEABILITY - BI-FUEL CNG - NO START IN CNG
MODE WITH ALT FUEL GREEN LIGHT ON
FORD:
2001-2002 F-150
ISSUE
Some 2001-2002 B-Fuel CNG F-150 vehicles may exhibit a crank no start condition while operating in Alternate fuel mode, with the Alt Fuel Light on.
(Vehicle will start in Gasoline Mode). This may be caused by a contaminated Compuvalve, contaminated or faulty Low Flow Injectors or a faulty
Compuvalve system board.
ACTION
Refer to the following Service Procedure to determine diagnostic requirements for no start condition in CNG with ALT fuel green light on.
SERVICE PROCEDURE
