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1 Rev-5 Dec 2, 2019
TABLE OF CONTENTS
Page
U.S. EPA Legal Requirements
2
Safety Symbols & Precautions
3
Fuels 6
Starting, running, and stopping the engine
7
Engine maintenance
x
Schedule
x
Air
filter
x
Battery
x
PCV
system
x
Engine coolant, radiator, and cooling system
x
Drive
Belt
x
Engine oil & filter
x
Checking
for
gas
leaks
x
Natural Gas & LPG fuel lock-off valves
x
Oxygen
sensor
x
Spark plugs, wires, Distributor cap and rotor
8
Diagnostics
x
How to retrieve fault codes
x
Diagnostic Trouble Code (DTC) List
23
Specifications
31
Engine Identification
32
Engine Warranty
x
Warranty
provisions
x
Base
warranty
period
x
Emissions-related
warranty
period
x
Owner's
obligations
x
Component
lists
33
Maintenance Log
35
Summary of Contents for NA428
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