Engine Controls - Revised Code 17, Spark Reference

9217buick03

Bulletin: 92-6E-4

Date: Nov. '91

Ref. No.: 92-77-6E

Corp. Ref. No.: 116519


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 6E3 - DRIVEABILITY AND EMISSIONS REVISED CODE 17 CHART

MODELS AFFECTED:
1991-92 PARK AVENUE/ULTRA 1992 LESABRE


This bulletin updates the Code 17 Diagnostic Chart in "Driveability And Emissions" Section 6E3 for 1991-92 Park Avenue/Ultras and 1992 LeSabres equipped with the 3800 (VIN L) engine. This bulletin includes separate diagnostic charts for use with "Type I" and "Type II" ignition systems. To ensure proper diagnosis and to avoid replacement of good parts, the type of system being diagnosed must be identified and the correct chart for the applicable system used.

The "Type I" ignition module is identified by 2 rows of coil towers and a single coil pack containing all 3 coils. "Type II" ignition modules have all 6 coil towers on the same side of the module and individually replaceable coil packs.








TYPE I IGNITION











(TYPE II IGNITION)