Engine - Does Not Stay Running On Initial Cold Start
87buick7DCS NO. 87-18
GROUP NO. 6E
June 16, 1987
SUBJECT: ENGINE DOES NOT STAY RUNNING ON INITIAL COLD START, INTERMITTENTLY WILL NOT STAY RUNNING ON DECEL, OR EXHIBITS A FALSE CODE 32 ON SOME 1987 CENTURYS, LESABRES AND ELECTRAS EQUIPPED WITH 3.8L SFI ENGINES (VIN CODE 3)
TO: ALL BUICK DEALERS
ATTN: SERVICE MANAGERS BE SURE TO REVIEW THIS INFORMATION WITH APPROPRIATE SERVICE DEPARTMENT PERSONNEL
Some 1987 models equipped with a 3.8L SFI engine (VIN Code 3) may experience one or more of the following conditions:
^ Engine will not stay running on the initial start when the engine is cold (with proper fuel pressure and no leak down).
^ Engine intermittently won't stay running on decel under closed throttle conditions (with proper scanner readings and minimum air rate).
^ An intermittent "Service Engine Soon" light with a stored False Code 32.
If any of these conditions are experienced on a vehicle when the basic engine, controls and systems are performing properly, and cannot be repaired by using currently published service and diagnostic procedures, it may be necessary to install a new service PROM.
These PROM's are currently available through General Motors parts operations under the following Part Numbers:
AXLE SALES CODE
MODEL I.D. LOCATED ON SCANNER PROM I.D. IF SER.
APPLICATION AXLE DECK LID DECAL THIS PROM IS INSTALLED PT. NO.
Century All 1254 16081290
LeSabre 2.73 FP3 1274 16081302
2.97 F79 1284 16081307
Electra/ 2.53 F16 1264 16081296
Park Avenue 2.73 FP3 1274 16081302
2.97 F79 1284 16081307
A service bulletin will be released in the very near future which will also include Riviera applications.