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MWI-72 < SYMPTOM DIAGNOSIS > THE FUEL GAUGE INDICATOR DOES NOT OPERATE SYMPTOM DIAGNOSIS THE FUEL GAUGE INDICATOR DOES NOT OPERATE Description INFOID:0000000009174283 Fuel gauge will not indicate from a certain position. Diagnosis Procedure INFOID:0000000009174284 1. CHECK COMBINATION METER INPUT SIGNAL Perform component function check. Refer to MWI-65, "Component Function Check" . Does monitor value match fuel gauge reading? YES >> GO TO 2. NO >> Replace combination meter. Refer to MWI-82, "Removal and Installation" 2. CHECK FUEL LEVEL SENSOR UNIT CIRCUITS Check the fuel level sensor circuits. Refer to Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness or connectors. 3. CHECK FUEL LEVEL SENSOR UNIT Perform a unit check for the fuel level sensor unit. Refer to MWI-66, "Component Inspection" . Is the inspection result normal? YES >> GO TO 4. NO >> Replace fuel level sensor unit. Refer to FL-6, "Removal and Installation" . 4. CHECK FLOAT INTERFERENCE Check that the float arm does not interfere with or binds to other components in the fuel tank. YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation" NO >> Repair or replace malfunctioning parts. |