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DTC P0461: Fuel Level Sensor A Circuit Range/Performance

WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Mariner, and 2006 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P0461 - FUEL LEVEL SENSOR A CIRCUIT RANGE/PERFORMANCE

Description:  Excessive electrical noise.
Possible Causes: 
  • Fuel level sensor circuit intermittent
  • FLI signal line open circuit
Diagnostic Aids:  Verify after market equipment does not generate the radio frequency interference / electromagnetic interference (RFI/EMI) which may cause noisy FLI input signal.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HX .