COLD ENGINE HARD START - NEED NEW PROM FOR SERVICE CORRECT.

Models Affected: 1984 T-Type Rivieras with 3.8L Turbocharged Engines (Vin Code 9)

This PROM is available for service correction of hard starting at -20 DEG F and correction of codes 34, 42, & 43, when use of the diagnostic chart leads to NO trouble found.

PROM part number 1227064 to correct these conditions should be ordered from WDDGM and installed per the 1984 Chassis Service Manual.

Service Number Broadcast Code PROM ID Number (Scan Tool) -------------- -------------- -------------- 1227064 DXP 7064

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.