Question about Ford Taurus
A P0460 code is described as Fuel
Level Sensor Circuit Malfunction.
P0460 - Fuel Level Sensor Circuit Malfunction The PCM monitors the fuel level input (FLI) circuit for electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified fuel fill percentage in the fuel tank. Empty fuel tank
- Fuel pump (FP) module stuck open
- Incorrectly installed fuel gauge
- Damaged instrument cluster
- CASE GND circuit open
- FLI shorted to VPWR
- Damaged PCM
- Overfilled fuel tank
- Fuel pump (FP) module stuck closed
- Damaged fuel gauge
- FLI circuit open
- FLI circuit shorted to CASE GND or PWR GND
- CSE GND shorted to VPWR
- Monitor FLI PID and FLI V PID in key ON engine running. FLI PID at 25% fill (with none matching fuel gauge) and FLI V PID less than 0.90 volts [for FLI PID at 75% fill (with none matching fuel gauge) and FLI V - - PID greater than 2.45 volts] indicates a hard fault.
I'm not sure what you mean by you mixed gas, does that mean you switched to a different station or octane level? Does the gas gauge still work fine? As long as it works fine you could keep driving for a few more tanks to see if the problem goes away. If you overfill or run the tank too low it can cause issues with the fuel sender. When the pump clicks off, you're done filling. Though at 175K miles the fuel sender could just have gone bad. If you start to see symptoms then take it into the shop definitely.
About the only thing you could do prior to that is if you're comfortable you could use a digital volt ohm meter (DVOM) and measure the sensor readings at the tank (at the electrical connections). Most people are not comfortable doing that, so don't worry.
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Posted on May 26, 2010
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Posted on Jan 02, 2017
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