For 1990-2009 cars

# SMU - SECTION 6E - ENGINE CONTROLS - REVISED DTC P0300

#### SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E-ENGINE CONTROLS- REVISED DTC P0300 DIAGNOSTIC TABLE

#### MODELS: 1996-97 BUICK LESABRE, RIVIERA 1996 BUICK PARK AVENUE 1995-97 CHEVROLET CAMARO 1996 OLDSMOBILE EIGHTY EIGHT, LSS, NINETY EIGHT 1997 OLDSMOBILE EIGHTY EIGHT, LSS, REGENCY 1995-97 PONTIAC FIREBIRD 1996-97 PONTIAC BONNEVILLE WITH 3.8L ENGINE (VINS 1, K - RPOS L67, L36)

THIS BULLETIN IS BEING ISSUED TO REVISE THE DTC P0300 - ENGINE MISFIRE DETECTED DIAGNOSTIC TABLE IN ENGINE CONTROLS, SECTION 6E. THE PREVIOUS DIAGNOSTIC TABLE INCLUDED A STEP INSTRUCTING THE TECHNICIAN TO DISCONNECT THE MAF SENSOR WHILE MONITORING THE MISFIRE INFORMATION ON THE SCAN TOOL. THE MISFIRE INFORMATION ON THE SCAN TOOL WILL STOP UPDATING WITH THE MAF SENSOR DISCONNECTED. THE REVISED TABLE REMOVES STEPS INSTRUCTING THE TECHNICIAN TO DISCONNECT THE MAF SENSOR.

FIGURES: 00 ATTACHMENTS: 04

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.