P0463

Test 1 - Test 2:

Test 3 - Test 6:

SYMPTOM
P0463-FUEL LEVEL SENSOR NO.1 HIGH

WHEN MONITORED
Ignition on and battery voltage above 10.4 volts.

SET CONDITION
The fuel level sensor signal voltage at the PCM goes above 4.9 volts for more than 90 seconds.

POSSIBLE CAUSES
- Fuel level sensor voltage above 4.9 volts
- Fuel level sensor
- (N4) Fuel level signal circuit shorted to battery voltage
- (N4) Fuel level signal circuit open
- (K900) Sensor ground circuit open
- PCM