Equus 3640 - Fuel Injection Pressure Tester - Manual (Page 4)

1
1-2 Fuel
6. Ford Adapter. Installs on the fuel system test port of Ford and some
Chrysler vehicles to allow connection of the tester.
7, 8. Hose. 5/16" and 3/8" universal high-pressure hoses used in conjunction
with tee fitting (5).
9, 10. Hose Clamp. High-pressure fuel line clamps used in conjunction with
hoses (7, 8) and tee fitting (5).
NOTE: The adapters provided with the tester are designed to facilitate the
most common fuel injection system applications. Some vehicle
applications may require additional tools or adapters to properly test
the vehicle. Refer to your vehicle's service manual, and consult your
auto parts dealer for the availability of these items.
1.3 BEFORE YOU BEGIN
• Fix any known mechanical problems before performing any test.
WARNING: Please be aware that fuel systems are UNDER PRESSURE
AND HIGHLY FLAMMABLE. In addition to following all
safety precautions, a basic understanding of fuel systems is
necessary. Read this manual thoroughly to prevent
accidents, personal injury and/or damage to your vehicle.
• If a further understanding of fuel injection systems is necessary, many
publications covering this topic are available.
• Your vehicle’s service manual can give you specialized test procedures and
repair methods which can make your job easier. READ YOUR
VEHICLE’S SERVICE MANUAL.
• Keep a pencil and paper handy to make notes and record test results.
1.2 VEHICLES COVERED
1.2.1 Domestic Vehicles (1980-98)
• Dodge, Chrysler, Plymouth
• Ford, Lincoln, Mercury
• GMC, Chevrolet, Buick,
Oldsmobile, Pontiac, Saturn,
Cadillac
• Jeep, Eagle
1.2.2 Import Vehicles (1980-98)
• Geo
• Isuzu
• Mazda
• Nissan
• Subaru
• Suzuki
• Volkswagen
Fuel System Type/Applications
• All electronic fuel injection
systems (port, sequential,
multi-point, throttle body),
which are equipped with a
fuel pressure test port
(Schrader valve)
• All fuel injection systems
(without a fuel pressure test
port) equipped with flexible
rubber fuel supply lines
• Includes light trucks and vans
• Excludes diesel