Fuel Pressure Test - Honda 2004 Odyssey Service Manual

Fuel Supply System

Fuel Pressure Test

Special Tools Required
• Fuel pressure gauge 07406-004000A
• Fuel pressure gauge attachment 07VAJ-0040100
1. Make sure you have the anti-theft codes for the
radio and the navigation system (if equipped), then
write down the frequencies for the radio's preset
buttons.
2. Disconnect the negative cable from the battery.
3. Remove the fuel fill cap.
4. Place a wrench on the fuel pulsation damper (A) at
the fuel rail.
*: The illustration shows '99-01 models.
5. Place a rag or shop towel (B) over the fuel pulsation
damper.
6. Slowly loosen the fuel pulsation damper one
complete turn.
7. Remove the fuel pulsation damper from its fitting,
and attach the fuel pressure gauge attachment.
*: The illustration shows '99-01 models.
11-216
A
22 N·m
(2.2 kgf·m, 16 lbf·ft)
B
07VAJ-0040100
8. Attach the fuel pressure gauge.
'99-01 models
B
'02-04 models
9. '99-01 models:
Disconnect the vacuum hose (A) of the fuel
pressure regulator, and pinch it closed with a
clamp (B). ('99-01 models)
10. Reconnect the negative cable to the battery, then
start the engine and let it idle.
• If the engine starts, go to step 12 ('99-01 models)
or step 16 ('02-04 models).
• If the engine does not start, go to step 11.
11. Check to see if the fuel pump is running: listen to
the injector rails underneath the intake manifold
cover while an assistant turns the ignition switch
ON (II). You should hear the fuel flow through the
injector rails for about 2 seconds when the ignition
turned ON (II).
• If the pump runs, go to step 12 ('99-01 models) or
step 16 ('02-04 models).
• If the pump does not run, test the fuel pump (see
page 11-218).
A
07406-004000A
07406-0040001