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Home >> Pontiac >> 2001 >> Sunfire L4-2.2L VIN 4 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> - Bi-Fuel/Alternative Fuels >> Vehicle On-Board Diagnostics (Accessing and Clearing Codes) >> Scan Tool Data Definitions >> Alternative Fuel Level

Alternative Fuel Level

Display shows fuel level from 0% to 100%. This display indicates the fuel level signal being sent to the vehicles fuel level gauge. The AF ECU monitors the fuel pressure sensor and the fuel temperature sensor values in order to determine the usable CNG fuel level.