P0460

Tests 1 - 2:

Test 3 - 7:

Test 8:

SYMPTOM
P0460 - FUEL LEVEL UNIT NO CHANGE OVER MILES

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.

POSSIBLE CAUSES
- Intermittent condition
- Visually inspect fuel tank
- Fuel level sensor signal circuit shorted to ground
- Fuel level sensor signal circuit open
- Ground circuit open
- Internal inspection of the fuel tank
- Fuel level sensor