Engine - Stalls Within a Few Seconds of Starting
90chevy11Number: 90-157-6E
Section: 6E
Date: February 1990
Corporate Bulletin No.: 936530
Subject: ENGINE STALLS AT COLD START
Model and Year: 1989-90 S CAR
TO: ALL CHEVROLET DEALERS
Some of the subject vehicles built before 1990 VIN Serial # LZ090311 may experience a stall condition within a few seconds of starting the engine after an extended soak period. The owner may associate the stall condition with the engagement of "Drive" or "Reverse" gear.
Corrective action for the vehicles exhibiting this condition is to replace the ECM, located in the center of the instrument panel behind the console, with P/N 94850516 (Federal Emissions) or P/N 94850517 (California Emissions) following normal Service Manual procedures.
Parts are currently available from GMSPO.
Labor Operation Number: T1565
Labor Time: .6 Hours