Mazda 2003 B4000 Bedienungsanleitung PDF herunterladen (Seite 15)

MA107

Mazda ReferenceMA014

Less than specified:

• Fuel pump unit

• Fuel line leakage

Higher than specified:

• Pressure regulator

11. Turn the ignition switch to off to stop the fuel pump, then remove the jumper.

12. After 5 minutes, read the fuel hold pressure.

13. See specifications below:

Fuel Hold Pressure (Reference)

• 36.2 psi (250 kPa, 2.55 kgf/cm

) or more

If not as specified, inspect the following:

• Fuel line for clogging or leakage

14. Disconnect the fuel pressure gauge and adapter.

15. Restore the fuel system to operating condition, start and run the engine, and check for

fuel leaks.

2004–06 RX-8

z Procedure O

1. Relieve fuel pressure by starting the engine, then remove the fuse from the engine

compartment relay box (Figure MA014-16), the engine will stall.

Figure MA014-16

2. Attempt to restart without the relay installed, repeat restart until the engine will not fire.

3. Replace the relay.

4. Disconnect the negative battery terminal.

5. Disconnect the engine compartment side quick release fuel line connector in the engine

compartment.

6. Connect a fuel pressure gauge (Snap-on MT3370A or equivalent or use or use a

Vantage

graphing meter or MODIS™ Lab Scope Plug-in to read pressure through 0-100

psi transducer and suitable adapter) (Figure MA014-17).

1 2 ... 10 11 12 13 14 15 16 17 18

Keine Kommentare

Mazda 2003 B4000 Bedienungsanleitung Seite 15