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Table Of Contents

OEM #27167 1

Item # 27167

Fuel Pressure Test Kit

Owner’s Manual

Before you start you will need fuel system specifications for your specific vehicle.

Vehicle specific shop manuals are the most reliable source for the information.

To prevent accidents that could result in serious injury and/or damage to vehicle or test equipment, carefully follow safety rules

and test procedures at all times when working on vehicles.

• Always wear approved eye protection.

• Never use Fuel Pressure Tester Kit on Diesel or Flex Fuel

engines!

• Always operate vehicle in a well ventilated area.

• Do not inhale exhaust gases or fuel vapors.

• Only use Fuel Pressure Tester Kit for measuring fuel

pressure.

• Never attach or remove Fuel Pressure Tester Kit from fuel rail

test port with ignition key on.

• Always place end of 6 foot bleed-off hose in an approved

container for fuel during testing and when bleeding off fuel

pressure.

• Never smoke or have open flames near vehicle. Vapors from

fuel and charging battery are highly flammable and

explosive.

• Never permit fuel to spill on hot engine parts. If a spill or leak

occurs, immediately turn ignition key off, and clean up fuel.

• Never leave vehicle unattended while running tests.

• Always keep yourself, tools and test equipment away from all

moving or hot engine parts.

• Always make sure vehicle is in PARK (Automatic

transmission) or NEUTRAL (manual transmission) and

parking brake is set. Block drive wheels.

• Never lay tools on vehicle battery. Terminals may short

together causing harm to yourself, tools or battery.

• Always keep a fire extinguisher suitable for

fuel/electrical/chemical fires handy.

• Always use extreme caution when working around ignition

coil, distributor cap, ignition wires, and spark plugs. These

components contain High Voltage when engine is running.

• Complete all Pre-Testing Checks before beginning fuel

pressure testing.

• Always follow vehicle manufacturer's warnings, cautions and

service procedures.

1. Rubber Boot: Boot is used to protect gauge and maintain appearance.

2. Dial Face: Contains measurement scales that show amount of fuel pressure present

in fuel system.

3. Pressure Relief Button: Used to relieve fuel pressure in gauge hose before

disconnecting gauge hose from fuel rail.

4. Bleed-Off Hose: A6 foot hose that bleeds off fuel pressure when pressure relief

button is pressed. Never use a bleed-off hose shorter than 6 foot.

Important: Always make sure end of bleed-off hose is in an approved container for fuel

at all times during testing and when bleeding off fuel pressure!!

5. Gauge Hose: Hose that carries fuel to the gauge, so that pressure can be measured.

6. Chrysler/GM Test Port Adapter: Adapter is used to connect

gauge hose to GM, Chrysler, and other vehicles equipped with

a schrader valve test port on fuel rail.

CAUTION: Before using this tool or any of its accessories, read

this manual and follow all Safety Rules and Operating Instructions.

FUEL PRESSURE TESTER COMPONENTS

SAFETY

Summary of content (6 pages)

PAGE 1
Item # 27167 Fuel Pressure Test Kit Owner’s Manual Before you start you will need fuel system specifications for your specific vehicle. Vehicle specific shop manuals are the most reliable source for the information. ! CAUTION: Before using this tool or any of its accessories, read this manual and follow all Safety Rules and Operating Instructions.
PAGE 2
7. Ford Test Port Adapter: Adapter is used to connect gauge hose to Ford vehicles equipped with a schrader valve test port on fuel rail. 8. GM TBI Test Adapter: Adapter is used to connect gauge hose to GM TBI vehicles NOT equipped with a schrader valve test port. 9. M12 X 1.25 Banjo Bolt Adapter: Adapter is used to connect gauge hose to Asian, European and select domestic vehicles equipped with fuel Banjo Bolt Connections. 10.
PAGE 3
Fuel Injectors: A precision valve that is controlled by a solenoid. Fuel injection is controlled by the amount of fuel pressure, and the size and duration of the valve opening. Fuel injectors contain a filter used to prevent very small particles from clogging the valve. Leaking fuel injectors will cause fuel pressure to slowly decrease when the ignition key is on and engine is off. PRE-TEST CHECKS 1. Read Safety Precautions. 2. Do a thorough visual and "hands-on" inspection of the engine and fuel system.
PAGE 4
For import and some domestic vehicles with a banjo bolt connection... Note: included is the most popular banjo bolt with 12 mm x 1.25 thread. • Relieve fuel system pressure by following instructions in vehicle service manual. • Remove the vehicle's fuel bolt at location described in service manual. Use shop towels to catch any released fuel. • Install banjo bolt test adapter in place of fuel bolt. Position banjo bolt gaskets on either side of banjo.
PAGE 5
For GM TBI vehicles without a test port ... • Place shop rag under GM TBI adapter in case a small amount of fuel drips out while unscrewing. • Disconnect Gauge Hose and wrap a shop rag around so any fuel dripping from hose is absorbed. • Disconnect fuel lines from GM TBI adapter and wrap with shop rag so any fuel dripping from adapter is absorbed. • Reconnect fuel lines as described in vehicle service manual. For import and some domestic vehicles with a banjo bolt connection...
PAGE 6
WARRANTY OEM Limited One Year Warranty For one (1) year from the date of purchase OEM tools will warranty this tool against defects in materials and workmanship. Defective OEM brand hand tools purchased from an authorized OEM distributor will be repaired or replaced when returned freight prepaid to the OEM Warranty Dept., 3580 E. Raines Rd. #3, Memphis, TN 38118. Proof of purchase with date of purchase will be required with all returns.