For 1990-2009 cars

# SMU - SECTION 6E - ENGINE CONTROLS REVISED FUEL SYSTEM

#### SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E-ENGINE CONTROLS REVISED FUEL SYSTEM PRESSURE SPECIFICATION

#### MODELS: 1996 BUICK CENTURY, REGAL, SKYLARK 1996 CHEVROLET BERETTA, CORSICA, LUMINA, MONTE CARLO 1996 OLDSMOBILE ACHIEVA, CIERA, CUTLASS SUPREME 1996 PONTIAC GRAND AM, GRAND PRIX WITH 3.1L AND 3.4L ENGINES (VINS M, X - RPOS L82, LQ1)

THIS REVISION IS FOR 1996 3.1L - VIN M L82 AND 3.4L - VIN X LQ1 ENGINES. USE THE FOLLOWING SPECIFICATIONS IN ORDER TO PROPERLY DIAGNOSE THE FUEL SYSTEM PRESSURE:

FUEL SYSTEM PRESSURE SPECIFICATION 284-325 KPA (41-47 PSI)

PLEASE MAKE THE ABOVE CHANGES TO THE FOLLOWING TABLES IN THE APPROPRIATE SERVICE MANUALS.

* ENGINE CRANKS BUT DOES NOT RUN * FUEL PUMP RELAY CIRCUIT DIAGNOSIS * FUEL SYSTEM PRESSURE TEST * FUEL INJECTOR BALANCE TEST

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 1996 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.