P0461

Test 1 - 2:

Test 3 - 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 monitors 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
- (G4) Fuel level signal circuit shorted to ground
- (G4) Fuel level signal circuit open
- (Z2) Ground circuit open
- Internal inspection of the fuel tank
- Fuel level sensor