ECM - Coolant Temp Hot Light Chart, Manual Update
9223buick05
Bulletin 91-6E-7
Date Dec.'90
Ref. No. 91-062-6E
Corp. Ref. No. 016542
SUBJECT:
SERVICE MANUAL UPDATE - SECTION 6E3 - DRIVEABILITY AND EMISSIONS ECM CONTROLLED HOT LIGHT DIAGNOSTIC CHART
MODELS AFFECTED:
1989-91 CENTURY WITH 3300 ENGINE (VIN CODE N) 1990 SKYLARK WITH 3300 ENGINE (VIN CODE N)
The ECM Controlled Hot Light Chart C-16 was inadvertently omitted from Section 6E3 "Driveability And Emissions" of the 1989-91 Century and the 1990 Skylark Service Manuals for vehicles equipped with a 3300 (VIN N) engine.
Use the attached pages to diagnose a Coolant Temp/Hot Light circuit for the vehicles involved.