SMU - SECTION 6E3 - DRIVEABILITY & EMISSIONS. Chevrolet Cavalier 1995

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E3-DRIVEABILITY AND EMISSIONS-REVISED DTC 43, CHART C-5 AND CHART C-13

MODELS: 1995 CHEVROLET CAVALIER 1995 PONTIAC SUNFIRE WITH 2.2L AND 2.3L ENGINES (VINS 4, D - RPOS LN2, LD2)

THIS BULLETIN IS BEING ISSUED TO REVISE THE 1995 J BOOK 2 OF 2 SERVICE MANUAL #GMP/95-J-2. CHANGES IN THE DTC 43 KNOCK SENSOR (KS) CIRCUIT, CHART C-5 KNOCK SENSOR (KS) SYSTEM CHECK AND CHART C-13 CRANKCASE VENTILATION HEATER ASSEMBLY (FUNCTIONAL CHECK) INCLUDE ENHANCED DIAGNOSTIC CHARTS. THE FOLLOWING PAGES NEED TO BE REVISED IN YOUR SERVICE MANUAL:

* 2.2L - PAGE 6E3-A-73 DTC 43 KNOCK SENSOR (KS) CIRCUIT * 2.2L - PAGE 6E3-C5-3 CHART C-5 KNOCK SENSOR (KS) SYSTEM CHECK * 2.3L - PAGE 6E3-A-69 DTC 43 KNOCK SENSOR (KS) CIRCUIT * 2.3L - PAGE 6E3-C13-4 CHART C-13 CRANKCASE VENTILATION HEATER ASSEMBLY (FUNCTIONAL CHECK)

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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.