GM Service Manual Online
For 1990-2009 cars only

ROUGH IDLE AND LOW SPEED DRIVEABILITY

VEHICLES AFFECTED: 1984 Pontiac and Buick 'J' Models Equipped With 1.8L Turbo Engines (VIN Code 'J')

Some 1984 'J' models equipped with 1.8L - Turbo engines may exhibit rough idle and low speed driveability. (rough idle, idle instability, engine stop running) that cannot be repaired with currently published diagnostic and service information.

If such a condition is encountered a new service prom should be installed (Parts listed below).

USAGE SERVICE PART NO. ----- ---------------- 1.8L - Turbo, Man. Trans. 1227176 1.8L - Turbo, Auto. Trans. 1227175

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.