P0461
Test 1 - 5:
Test 6 - 7:
SYMPTOM
P0461-FUEL LEVEL SENSOR #1 PERFORMANCE
WHEN MONITORED
TEST #1: With the ignition on, the fuel level is compared to the previous key down after a 20 second delay. TEST #2: The PCM monitor the fuel level at ignition on.
SET CONDITION
TEST #1: If the PCM does not see a difference in fuel level of greater than 0.1 volt the test will fail. TEST #2: If the PCM does not see a change in the fuel level of 0.1765 over a set amount of miles the test will fail. Two Trip Fault.
POSSIBLE CAUSES
- Good trip equal to zero
- Visually inspect fuel tank
- Fuel level signal circuit shorted to ground
- Fuel level signal circuit open
- Ground circuit open
- Internal inspection of the fuel tank and siphon hose
- Fuel level sensor