Gasoline Engines With Heavy Duty Emissions - Chevrolet SUBURBAN 1993 Owner's Manual

Scheduled Maintenance Services
GASOLINE ENGINES WITH HEAVY DUTY EMISSIONS-
'OOTNOTES:
"See "Exglal?ation of Scheduled Maintenance Services" in this section.
L Also a Noise Emission Control Service
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Applicable only to vehicles sold in the United States
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To determine the emissions classification of your engine refer
to
"Selecting the
An Emission Control Service
Proper Maintenance Chart" in this section.
TO339
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If your driving conditions meet those specified in "Scheduled Maintenance
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