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Home >> Mazda >> 2003 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0461: Fuel Gauge Sending Unit Circuit - Range/Performance Problem >> Detection Condition

Detection Condition

WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.

PCM monitors fuel gauge sending unit input voltage difference before and after PCM-calculated fuel consumption has reached 5.1 gallons. If fuel gauge sending unit operation reflects 5 percent less than PCM-calculated fuel consumption, PCM determines that fuel gauge sending unit range/performance is in error. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition in 2 consecutive drive cycles. Pending code is available if PCM detects malfunction condition during first drive cycle. Freeze Frame Data is available and DTC is stored in PCM memory.

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