For 1990-2009 cars

# INACCURATE/FLUCTUATING FUEL GAUGE READING (REPLACE FUEL

#### SUBJECT: INACCURATE/FLUCTUATING FUEL GAUGE READING (REPLACE FUEL LEVEL SENSOR)

#### MODELS: 1999 OLDSMOBILE ALERO 1999 PONTIAC GRAND AM

BUILT PRIOR TO VIN BREAKPOINTS:

VIN MODEL LOCATION 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 25317986), 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 LABOR OPERATION NUMBER DESCRIPTION TIME =============== ================================== ===============

L1197 SENSOR, FUEL LEVEL - REPLACE 1.2 HRS

FIGURES: 00 ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1998 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.