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Fuel Gauge & Sending Unit

  1. If fuel gauge does not move, check voltage supply for fuel gauge. If voltage supply is okay, proceed to next step. If voltage supply is defective, check for defective fuse or wiring between battery and fuse.
  2. Check fuel tank sending unit. See FUEL TANK SENDING UNIT  under COMPONENT TESTS. Replace sending unit if defective. If sending unit is okay, go to next step.
  3. Check ground circuit and wiring harness. Repair ground circuit or wiring harness if defective. If ground circuit and wiring are okay, replace fuel gauge and temperature gauge.
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