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Home >> Suzuki >> 2006 >> Grand Vitara Base, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information And Procedures >> DTC P0464: Fuel Level Sensor Circuit Intermittent >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  Wire harness check 
  1. Turn ignition switch to ON position and then clear DTC.
  2. Turn ignition switch to OFF position.
  3. Check for proper terminal connection to fuel level sensor (main and sub) and ECM connectors.
  4. If connections are OK, perform "DTC CONFIRMATION PROCEDURE ".
  5. Recheck DTC.

Is DTC P0464 detected? 		 Go to Step 3. Intermittent trouble.
3  Fuel level sensor performance check 
  1. Check fuel level sensor (main and sub) for performance referring to FUEL LEVEL SENSOR INSPECTION .

Is it in good condition? 		 Substitute a known-good ECM and recheck. Replace main and/or sub fuel level sensor.
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