P0460

Tests 1 - 2:

Tests 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 .1765 over a set amount of miles the test will fail. See Charts and Graphs (Fuel Level Voltage Change Over Miles Chart) for an example.

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