Spectrum L4-91.5 1.5L (1985)
Engine Control Module: All Technical Service Bulletins
PROM - R&R Procedures & Precautions
Number:
89-324-6E
Section:
6E
Date:
FEBRUARY 1991
Corporate Bulletin No.: 116510
Subject:
ECM CALIBRATION PROM REVISED REPLACEMENT PROCEDURE
Model and Year:
1985-89 SPECTRUM WITH 1.5L ENGINE
SERVICE UPDATE
This bulletin serves to revise the Calibration PROM Installation Procedure on 1985 to 1989 Geo Spectrum 1.5L "R" Carline carbureted vehicles. When
replacing the Calibration Prom use the following procedure:
SERVICE PROM REPLACEMENT:
