SMU - SECTION 6E3 - DRIVEABILITY & EMISSIONS. GMC Truck Sonoma Pickup

SUBJECT: SERVICE MANUAL UPDATE-SECTION 6E3-DRIVEABILITY AND EMISSIONS-REVISED DTC P1404 EGR VALVE CLOSED PINTLE POSITION TABLE

MODELS: 1997 BUICK SKYLARK 1997 CHEVROLET CAVALIER, MALIBU 1997 OLDSMOBILE ACHIEVA, CUTLASS 1997 PONTIAC GRAND AM, SUNFIRE

1997 CHEVROLET AND GMC TRUCK S MODELS WITH 2.2L AND 2.4L ENGINE (VINS 4, T - RPOS LN2, LD9)

THIS BULLETIN IS BEING ISSUED TO REVISE THE DTC P1404 EGR VALVE CLOSED PINTLE POSITION TABLE IN THE FOLLOWING SERVICE MANUALS:

* 1997 GMP/97-N-2 * 1997 GMP/97-J-2 * 1997 GMP/97-LN-2 * 1997 GMT/97-ST-2

A REVISED COPY OF THE DIAGNOSTIC TABLE IS ATTACHED.

FIGURES: 00 ATTACHMENTS: 15

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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.