For 1990-2009 cars

# SERVICE MANUAL UPDATE-SEC. 6E3 REVISED CHART A-3

THIS BULLETIN UPDATES CHART A-3, "ENGINE CRANKS BUT WILL NOT RUN" (PAGE 1 OF 2) IN SECTION 6E3, "DRIVEABILITY AND EMISSIONS" FOR THE 1989, 1990 AND 1991 "A" AND "N" CARLINES EQUIPPED WITH THE 3300 (VIN N) ENGINE. THE REVISED CHART DIRECTS THAT ALL INJECTORS BE DISCONNECTED, ALLOWING DIAGNOSIS OF A "CRANKS BUT WILL NOT RUN" CONDITION CAUSED BY A SHORTED INJECTOR COIL.

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.

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