Fuel Gage Inaccurate or Inoperative. Pontiac Firebird 1998

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 1998 🢒 Firebird 🢒 Brakes 🢒 Antilock Brake System 🢒 Fuel Gage Inaccurate or Inoperative

Step	Action	Value(s)	Yes	No
1	Using a scan tool, command the powertrain control module (PCM) to deflect the fuel gage to half full. Does the fuel gage read half full?	--	Go to OBD II Diagnostic System Check	Go to Step 2
2	Inspect CKT 1936 between the instrument cluster and the PCM for an open or poor connection. If CKT 1936 is OK, replace the cluster. Refer to Instrument Cluster Replacement . Did you complete the repair?	--	System OK	--

Step

Action

Value(s)

Yes

Using a scan tool, command the powertrain control module (PCM) to deflect the fuel gage to half full.

Does the fuel gage read half full?

Go to OBD II Diagnostic System Check

Inspect CKT 1936 between the instrument cluster and the PCM for an open or poor connection.
If CKT 1936 is OK, replace the cluster. Refer to Instrument Cluster Replacement .

Did you complete the repair?

System OK