ATD-5578MASTER FUEL INJECTION PRESSURE TEST KIT

OWNER’S MANUAL

Made in Taiwan to ATD Tools, Inc. SpecificationsVisit us at www.atdtools.com

WARNING: This product may contain chemicals, including lead, known to the State of California to cause cancer, birth defects or other reproductive harm. Wash hands after handling.

IMPORTANT PRE-TEST INFORMATION

Safety Precautions

Pretest System Checks

HIGH FUEL PRESSURE

LOW FUEL PRESSURE

BASIC FUEL PRESSURE DIAGNOSIS

Troubleshooting Multi-Port and TBI Sytems

PROCEDURE TO RELIEVE FUEL SYSTEM PRESSURE

Fuel Pressure Release Unplug or disconnect at fuel pump(s)

* some models have two fuel pumps, in tank and outside. Unplug both.

Disable in other ways:

AudiCoupe and Quattro: Unplug fuel pump connector All others: Remove fuel pump relay

BMWThrough 1990: Disconnect negative teminal of fuel pump.1991: Unplug fuel pump connector

FordCars, vans and utility vehicles except Explorer: Disconnectinertia switchExplorer: Unplug fuel pump connectorSome Ford products have two fuel pumps. It is important that both fuel pumps are disabled.

GMAll except below: Unplug fuel pump connector.1975-80 Cadillac: Disconnect one fuel pump in gas tankand second one on chassis, left front of tank.1986-89 Corvette: Remove fuel pump fuse if one fuel pump.If two fuel pumps, remove the correct 10 amp fuse in both the main and auxiliary fuse blocks.

MazdaMPV, MX-6, 626, RX7, 323, 929 & Navajo: Unplug fuelpump connector.B2600, MX5 & Miata: Disconnect circuit opening relayconnector.

Mercedes-BenzDisconnect negative terminal or fuel pump connector

TYPICAL FUEL INJECTOR PRESSURE TEST

(For Bosch CIS and GM TBI, see additional instructions)

“PROCEDURE TO RELIEVE FUEL SYSTEM PRESSURE”

“BASIC FUEL PRESSURE DIAGNOSIS” “TROUBLESHOOTING CHART”.

FUEL FILTER MAY BEUNDER HOOD OR NEAR GAS TANK

4

ADDITIONAL INSTRUCTIONS FOR GM TBI PRESSURE TEST

“PROCEDURE TO RELIEVE FUEL SYSTEM PRESSURE”.

“BASIC FUEL PRESSURE DIAGNOSIS” “TROUBLESHOOTING CHART”.

Typical TBI Fuel Injection System

INJECTOR PRESSURE REGULATOR

FLEX HOSE

FUEL PRESSUREGAUGE TEST PORT

RETURN LINE

PRESSURE LINE

FILTER

PUMP INLET FILTER

FUEL PRESSUREGAUGE TEST PORT

FLEX HOSE

FILTER

POSITION OF FILTER MAY VARY

ADDITIONAL INSTRUCTIONS FOR BOSCH CIS PRESSURE TEST

“PROCEDURE TO RELIEVE FUEL SYSTEM PRESSURE”.

Typical C.I.S. Pressure Testing Fuel Injection Hookup

FLOWCONTROLVALVE

PRESSUREGAUGEBLEED OFF

VALVE

FUEL DISTRIBUTOR

TO TANK

CONTROLPRESSURE

REGULATOR

6

FUEL INJECTION PARTS AND TEST PORT ADAPTERS

A

AE

D

G

C

B

A

AE

D

G

C

B

FUEL INJECTION PARTS AND TEST PORT ADAPTERS

F

X

XA

W

E

MCA

MA

V

U

T

UB

UA

UC

S

F

X

XA

W

E

MCA

MA

V

U

T

UB

UA

UC

S

TBI In Line Testing AdaptersCommon ApplicationsGM TBI Systems

FUEL INJECTION PARTS AND TEST PORT ADAPTERS

N - 8mm x 1.0 Thread

O - 8mm x 1.0 Thread

P - 10mm x 1.0 Thread

Q - 12mm x 1.25 Thread

R - 12mm x 1.5 Thread

RA - 14mm x 1.5 Thread

L - 8mm x 1.0 Female

HA - 8mm x 1.0 Female Long

K - 14mm x 1.5 Swivel Female (2 pcs)

KC - 1/4 BSPT Swivel Male and Female

M - 8mm x 1.0 Male (2 pcs)

H - 8mm x 1.0 Male Long

I - 10mm x 1.0 Male

J - 10mm x 1.0 Female

KA - 14mm x 1.5 Swivel Male and Female

KB - 16mm x 1.5 Swivel Male and Female

End Of Line Fuel Bolt Adapters

In Line Testing CIS, CISE and K-Jetronic Adapters

9

R

H

ITEM# ORDERING PART# PART DESCRIPTION ITEM# ORDERING PART# PART DESCRIPTIONR R RR R R R 4 HRYR R R R HR R R 6R 6 R H HRY R RR H R R H RR R H R RR H H R R R RR H R R R RR H R 6 R R R 4R H Y R R R R R R R R

H R H RH R H R 6 R

R R 6 RR R R 4 RR R 4 RR 4 R 4R 4 & RR 6 & R R R HR 4 & R R H R H 6R R HRY R H R H

ATD-5578

WARRANTY 1 YEAR LIMITED WARRANTY

THIS WARRANTY AND CONFIRMED RECEIPT(S) SHOULD BE RETAINED BY THE CUSTOMER AT ALL TIMES