Vehicles Covered; Before You Begin - Innova 3640 Manual De Instrucciones

General Information
VEHICLES COVERED - BEFORE YOU BEGIN
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).
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.

VEHICLES COVERED

Domestic Vehicles (1980-98)
• Dodge, Chrysler, Plymouth
• Ford, Lincoln, Mercury
• Dodge, Chrysler, Plymouth
• GMC, Chevrolet, Buick, Oldsmobile,
Pontiac, Saturn, Cadillac
• Jeep, Eagle
Import Vehicles (1980-98)
• Geo
• Isuzu
• Mazda
• Nissan
• Subaru
• Suzuki
• Volkswagen

BEFORE YOU BEGIN

• Fix any known mechanical problems before performing any test.
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.
a. Read and follow all safety precautions.
b. Make sure the battery is fully charged and the vehicle has enough fuel in the tank.
c. Perform a thorough underhood inspection. Check for loose or cracked electrical wiring,
battery cables, ignition wires, fuel and/or vacuum lines. Perform necessary repairs and
ensure the fuel system is leak-free. WIPE UP ANY FUEL LEAKS IMMEDIATELY.
d. Verify all related fuses are in good condition. Verify integrity of all electrical component
connections.
e. For Ford vehicles ONLY: Make sure the inertia switch (the fuel system's safety switch)
is not tripped and is operating properly. (Refer to your vehicle's service manual for
location.)
f. Check the vapor recovery system and fuel tank cap for proper operation.
g. Make sure the intake (engine) vacuum is within original manufacturer's specifications.
2
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
Fuel