Fuel Pressure Test - Honda NSA700A DN-1 2009 Service Manual

3. Make sure the connection is secure and th a t the
pawls are firm ly locked into place; check visu a lly
and by pulling the connector.
4. Make sure the ru bb er cap is in place (between
the retainer tab and stopper on pipe).
5. Connect the fuel pum p 3P (Bleck) connector.
6. Turn the ig n itio n sw itch OK and engine stop
Do not start the
sw itch "O " .
engine.
The fuel pum p w ill run fo r about 2 seconds, and
fuel pressure w ill rise.
Repeat 2 or 3 tim es, and check th a t there is no
leakage in the fuel supply system.
Install the seat (page 3-4).
FUEL P R E S S U R E T E S T
Relieve the fuel pressure and disconnect the quick
connect fittin g (page 6-37).
Attach the fuel pressure gauge, attachm ent and
m anifold.
TOOLS:
(1):Fuel pressure gauge
(2):Pressure gauge manifold
(3): Hose attachment, 8 m m /9 m m 07ZAJ-S7C0100
(4): Hnsp a tta c h m e n t, 9 m m /9 m m 0 7 Z A J -S 5 A 0 1 20
(5): Attachment joint, 8 m m /9 mm 07ZAJ-S7C0200
Connect the fuel pum p 3P (Black) connector.
Start the engine and let it idle.
Read the fuel pressure.
STANDARD: 343 kPa (3.5 k g f/c m 2 , 50 psi)
If the fuel pressure is higher than specified, replace
the fuel p um p assem bly (faulty fuel pum p o r fuel
pressure regulator).
If the fuel pressure is lo w e r than specified, inspect
the fo llo w in g :
- Fuel line leaking
- Pinched o r clogged fuel feed hose or fuel tank
breather hose
- Fuel pum p (page 6-41)
A fter inspection, relieve the fuel pressure by start­
Wrap a shop towel
ing the engine and let it idle until it stalls.
around the
attachment to soak
Remove the fuel pressure gauge, attachm ent and
up any spilled fuel.
m anifold fro m the fuel pum p.
Connect the quick connect fittin g (page 6-38).
07406-0040004
07ZAJ-S5A0111
FUEL SYSTEM (PGM-FI)
3P (BLACK) CONNFCTOR
6-39