Symptom:
P0461-FUEL LEVEL SENSOR #1 PERFORMANCE
When Monitored and Set Condition:
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
.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
TEST ACTION APPLICABILITY
1 NOTE: Diagnose P0462 or P0463 first, if set along with P0461.
NOTE: Inspect the Fuel Pump Module harness connector for any corrosion
or damage.
Ignition on, engine not running.
With the DRBIIIt, read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
All
Yes → Go To 2
No → Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
2 Visually inspect the Fuel Tank for damage that may restrict the Fuel Sending Unit
float from moving.
Is the Fuel Tank OK?
All
Yes → Go To 3
No → Replace the Fuel Tank as necessary.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
176
DRIVEABILITY - NGC
To Next Page
Loading...
Need help?
General
