CHUGGLE OR SURGE (INSTALL NEW E-PROM). Pontiac Firebird 1993

REVISION: 03/15/95

THIS BULLETIN IS BEING REVISED TO ADD TRANSMISSION TYPE AND TO CHANGE WARRANTY INFORMATION. PLEASE DISCARD BULLETIN 47-65-25 (SECTION 6E - ENGINE FUEL & EMISSION). **********************************************************************

SUBJECT: CHUGGLE OR A SURGE (INSTALL NEW E-PROM)

MODELS: 1993 CHEVROLET CAMARO 1993 PONTIAC FIREBIRD WITH 5.7L ENGINE (VIN P - RPO LT1) AND 4L60 AUTOMATIC TRANSMISSION

CONDITION:

SOME OWNERS MAY COMMENT OF A CHUGGLE OR A SURGE CONDITION AT APPROXIMATELY 1500-2000 ENGINE RPM'S, 50-60 MPH, ON A LIGHT THROTTLE ACCELERATION.

CORRECTION:

INSTALL THE FOLLOWING E-PROMS.

PARTS INFORMATION:

FEDERAL EMISSIONS:

AXLE TIRE PART BROADCAST TYPE TYPE NUMBER CODE

GU2 QMT 16216377 BNXD GU5 QLC 16216379 BNXF GU2 QLC 16216990 BPBD

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION:

LABOR OPERATION: J6364 LABOR TIME: USE PUBLISHED LABOR OPERATION TIME.

FIGURES: 0 ATTACHMENTS: 0

GM BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER." THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS OCCURRING 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 THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GM VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.