Fuel Gauge - Inaccurate/Fluctuating Reading

File In Section: 6E - Engine Fuel & Emission

Bulletin No.: 83-63-20

Date: October, 1998

Subject:
Inaccurate/Fluctuating Fuel Gauge Reading
(Replace Fuel Level Sensor)

Models:
1999 Oldsmobile Alero
1999 Pontiac Grand Am

Built Prior to the Following VIN Breakpoints:

Model Location VIN Breakpoints

Alero Lansing Plant C XC310439
Grand Am Lansing Plant C XC523682
Lansing Plant M XM771844

Condition

Some customers may comment that the fuel gauge reads empty when tank is full; and/or are experiencing erratic fuel gauge readings.

Cause

Usage of certain fuel formulations may result in high resistance outputs from the fuel level sensor, resulting in erroneous fuel gauge readings.

Correction

Replace the existing ceramic fuel level sensor with service kit (P/N 25317985), following the instructions provided in the kit and those found in the applicable Service Manual.

Parts Information

P/N Description

25317986 Kit, Fuel Level Sensor

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation Description Labor Time

L1197 Sensor, Fuel Level - 1.2 hrs
Replace