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Fuel Level Gauge Not Operating Properly

WARNING: This page is about a different car, the 2002 Dodge Ram Wagon, 2002 Dodge Ram Van, 2001 Dodge Ram Wagon, and 2001 Dodge Ram Van. However, it is still accessible from the selected car via links, so may be relevant.

Possible Causes:

  1. Fuel Level Sensor DTC's Present In Powertrain Control Module
  2. Instrument Cluster

Testing

  1. Turn ignition on. Using scan tool, attempt to communicate with Electro-Mechanical Instrument Cluster (EMIC). If scan tool does not communicate with EMIC, perform NO RESPONSE FROM INSTRUMENT CLUSTER  test under COMMUNICATIONS. If scan tool communicates with EMIC, go to next step.
  2. Turn ignition off. Push and hold trip/odometer reset button while turning ignition switch to RUN position. Release trip/odometer reset button to start self-test. Observe fuel gauge. Fuel gauge should reach specified calibration points. See INSTRUMENT CLUSTER CALIBRATION POINTS  table under SELF-DIAGNOSTIC SYSTEM. On vehicles equipped with 5.2L CNG engine, if fuel gauge reaches specified calibration points, test is complete. On all other vehicles, if fuel gauge reaches specified calibration points, go to next step. On all vehicles, if fuel gauge does not reach specified calibration points, replace EMIC. See ELECTRO-MECHANICAL INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION.
  3. Using scan tool, read Powertrain Control Module (PCM) DTCs. If any fuel level sensor DTCs (P0460-P0463) are present, perform appropriate test(s) in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If no fuel level sensor DTCs are present, test is complete.
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