Fuel Gauge Is Inoperative Or Inaccurate
- Perform POWERTRAIN ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - GASOLINE - EXCEPT METRO, PRIZM & TRACKER article in ENGINE PERFORMANCE. Go to next step.
- Perform INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTICS. Go to next step.
- Turn ignition off. Connect scan tool to DLC. Turn ignition on and select SPECIAL FUNCTIONS menu on scan tool. Under SPECIAL FUNCTIONS, select OUTPUT TESTS and FUEL GAUGE SWEEP TEST. If fuel gauge needle moves from empty, to full and back to empty when sweep test is commanded, go to POWERTRAIN ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - GASOLINE - EXCEPT METRO, PRIZM & TRACKER article in ENGINE PERFORMANCE. If fuel gauge needle does not move from empty, to full and back to empty when sweep test is commanded, go to next step.
- Replace IPC. See INSTRUMENT PANEL CLUSTER under REMOVAL & INSTALLATION. After repairs, go to INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTICS.