PROM - Engine Does Not Stay Running on Cold Start

9219oldsmobile01

NUMBER: 89-T-134

CORP.REF.NO: 906502

DATE: September 1989

SECTION: 6E


SUBJECT:
ENGINE DOES NOT STAY RUNNING ON INITIAL COLD START (REVISED MEMCAL)


MODELS/YEARS:
1989 CUTLASS CIERA WITH 3300 ENGINE (VIN N)


Some 1989 Cutlass Ciera models equipped with a 3300 engine (VIN Code N), may experience a condition described as "the engine will not stay running on the initial start when the engine Is cold" (with proper fuel pressure and no excessive leak down).

If this condition Is 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 Mem-Cal with a revised start-up mode air/fuel calibration.

* IMPORTANT:
This calibration Is currently being used In production. Verify if this Mem-Cal Is already installed by using the scanner I.D.





The Mem-Cals are currently available through General Motors Service Parts Operations under the following part numbers:


WARRANTY INFORMATION:

Labor Operation Number: J6364