SMU-SECTION 6 - ENG CONTROLS REVISED REFERENCE TO EVAP CONT. Buick LeSabre 1997

SUBJECT: SERVICE MANUAL UPDATE - SECTION 6 - ENGINE CONTROLS REVISED REFERENCE TO EVAP CONTROL SYSTEM DIAGNOSIS - FUEL TANK PRESSURE SENSOR DIAGNOSIS

MODELS: 1997 BUICK LESABRE, REGAL, SKYLARK 1997 CHEVROLET CAVALIER, LUMINA, MALIBU 1997 OLDSMOBILE ACHIEVA, CUTLASS, CUTLASS SUPREME, EIGHTY-EIGHT, LSS, REGENCY 1997 PONTIAC BONNEVILLE, GRAND AM, SUNFIRE

1997 CHEVROLET AND GMC C/K, M/L, S/T MODELS 1997 OLDSMOBILE BRAVADA WITH 2.2L, 2.4L, 3.1L, 3.8L, 4.3L ENGINE (VINS 4, T, M, K, W - RPOS LN2, LD9, L82, L36, L35)

THIS BULLETIN IS BEING ISSUED TO REVISE THE REFERENCE TO THE EVAP CONTROL SYSTEM DIAGNOSIS THAT APPEARS IN THE FOLLOWING DIAGNOSTIC TABLES:

* DTC P0440 * DTC P0442 * DTC P0446 * DTC P1441 * EVAP CONTROL SYSTEM DIAGNOSIS EVAPORATIVE EMISSION SYSTEM CHECK * EVAP CONTROL SYSTEM DIAGNOSIS EVAP SYSTEM CHECK

CHANGE THE REFERENCE "GO TO EVAP CONTROL SYSTEM DIAGNOSIS" TO READ "GO TO EVAP CONTROL SYSTEM DIAGNOSIS - FUEL TANK PRESSURE SENSOR DIAGNOSIS."

PLEASE REVISE THE APPLICABLE DIAGNOSTIC TABLE STEPS AS OUTLINED BELOW.

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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.