For 1990-2009 cars

# SMU - SECTION 6E3 DRIVEABILITY AND EMISSIONS

#### SUBJECT: SERVICE MANUAL UPDATE - SECTION 6E3 - DRIVEABILITY AND EMISSIONS

#### MODELS: 1992 OLDSMOBILE NINETY EIGHT, EIGHTY EIGHT, TORONADO, TROFEO, SILHOUETTE 1992 BUICK PARK AVENUE, LESABRE, RIVIERA 1992 PONTIAC BONNEVILLE, TRANS SPORT 1992 CHEVROLET LUMINA APV WITH 3800 ENGINE (VINS L AND 1)

THIS BULLETIN UPDATES THE CODE 42 DIAGNOSTIC CHART IN SERVICE MANUAL SECTION 6E3, "DRIVEABILITY AND EMISSIONS". THE REVISED DIAGNOSTIC CHART INCLUDES THE CORRECT TERMINAL LOCATION FOR BYPASS CKT 424 AT THE PCM.

FIGURES: 1

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 1993 GENERAL MOTORS COPORATION. ALL RIGHTS RESERVED.