INFO ON INTERMITTENT ENGINE STALL ON DECEL AT 35-25 MPH. Buick LeSabre 1997

THIS IS A MONTHLY SERVICE NEWSLETTER ARTICLE. THIS BULLETIN IS NOT INTENDED FOR PUBLICATION.

SUBJECT: INFORMATION ON INTERMITTENT ENGINE STALL ON DECEL AT ABOUT 35-25 MPH

MODELS: 1997-98 BUICK PARK AVENUE 1997-98 BUICK LESABRE 1997-98 BUICK REGAL WITH L36 3.8L VIN K ENGINE

IF YOU ENCOUNTER A CONCERN OF INTERMITTENT ENGINE STALLING ON DECEL AT ABOUT 35-25 MPH, CHECK THE FOLLOWING:

FUEL PRESSURE REGULATOR FOR LEAKING. TWO FOOTED DRIVER, AFFECTS TPS SETTING AND PCM LEARNS STALL CONDITION. EGR OPENING IN 35-25 MPH COAST DOWN AND IDLE AIR CONTROL SOMETIMES NOT REACTING QUICKLY ENOUGH.

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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.