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INSTRUCTIONS
All test are made at idle at the high pressure side
of the fuel pump. This would be the side of the
fuel pump. This would be the side toward the fuel
rail and injectors. After reading and heeding WAR-
NINGS (above), with the engine OFF, connect the
tester using appropriate hook-ups A, B, C or V (see
diagram) depending on the car you have
Typical hook up with 1/4" fuel line (A)
Typical hook up with 5/16" fuel line (B)
1. Loosen hose clamp on high pressure side of fuel
pump.
2. Pull hose off spud.
3. Connect hook up A or B
into the system between
the loose fuel line and
the fuel pump.
4. Thighten hose clamps
securely on the hose.
5. Start engine.
6. Read gauge and adjust
fuel pump pressure if
necessary.
7. Stop engine.
8. Remove tester form
the car.
9. Replace car's fuel line
hose,
and
retighten
clamp. Check for leaks.
Typical hook up for standard Schrader type
valve (C)
1. Attach gauge to female
solid coupling on longest
hose supplied.
2. Screw on female swivel
coupling to the test fitting
on the car.
3. Start engine.
4. Read gauge and adjust
fuel
pump
pressure
necessary.
5. Stop engine.
6. Remove tester from the car. Check for leaks.
Special hook up for Volkswagen (V)
1. Assemble special VW hook up, slipping bottom
hose clamp on the bottom loosely. Tighten upper
hose clamp.
2. Remove cap from special testig hose barb on car.
3. Push 1/4" hose onto hose barb on the car, and
A
B
C
if
tighten
lower
hose
securely.
4. Start engine.
5. Read gauge and adjust fuel
pump pressure if necessary.
6. Stop engine.
7. Remove tester from car.
8. Replace cap on testing barb.
Check for leaks.
Ford Fuel Injection Adapter, Small
D
Valve (D)
1. Attach gauge to the hose assembly
that has a female pipe thread, using pipe
sealer.
2. Hand tighten male end of Ford Fuel
injection Adapter onto the female end of
the gauge hose assembly.
3. Screw on female swivel coupling to the
test fitting on the car.
4. Start engine.
5. Read gauge and adjust fuel pump
pressure if necessary.
6. Stop engine.
7. Remove tester from the car. Check for
leaks.
Honda Fuel Injection Adapter (E)
1. Attach gauge to the hose assembly that
has a female pipe thread, using pipe sealer.
2. Hand tighten large male end of Honda
Fuel injection Adapter onto the female end
of the gauge hose assembly.
3. Remove the screw from the test port
on the bolt holding the banjo fitting onto
the fuel filter. (Fuel filter is under the
hood, just in front of the fire wall, on the
passenger side).
4. Screw gauge hose assembly hand tight
into where screw was removed.
5. Start engine and measure fuel pressure.
6. To disconnect, wrap connection in a rag. Do not
disconnect over a hot engine or manifold.
7. Replace and tighten the screw to the banjo bolt.
Check for leaks.
E N G L I S H
clamp
V
E
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