Home >> Ford >> 2001 >> Excursion 2WD V10-6.8L VIN Z Bi-Fuel >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Bi-Fuel Models (Bi-Fuel/CNG System) >> Normal Scan Data Values - Includes PIDs >> Reference Values >> Reference Value Symptom Chart