Mazda MX-5 Miata / Grand Touring. Manual — part 114
1. Follow "BEFORE SERVICE PRECAUTION" before performing any work operations to prevent fuel
from spilling from the fuel system. (See BEFORE SERVICE PRECAUTION [LF] .)
2. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [LF] .)
3. Disconnect the negative battery cable.
4. Disconnect the quick release connector (in the engine compartment). (See QUICK RELEASE
CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION [LF] .)
5. Turn the lever of the SST parallel to the hose as shown in Fig. 8 .
6. Insert the SST quick release connector into the fuel pipe until a click is heard.
Fig. 8: Inserting SST Quick Release Connector Into Fuel Pipe Until Click Is Heard
Courtesy of MAZDA MOTORS CORP.
engine stopped.
2008 Mazda MX-5 Miata Grand Touring
2008 ENGINE Fuel System - MX-5 Miata
7. Verify that the quick release connector is firmly connected by pulling it by hand.
8. Start the fuel pump using the following procedure:
Using M-MDS or equivalent
1. Connect the negative battery cable.
2. Connect the M-MDS or equivalent to the DLC-2.
Fig. 9: Locating DLC-2 Connector
Courtesy of MAZDA MOTORS CORP.
3. Start the fuel pump using the "FP" simulation function.
Not using M-MDS or equivalent
1. Short the check connector terminal F/P to ground using a jumper wire.
2008 Mazda MX-5 Miata Grand Touring
2008 ENGINE Fuel System - MX-5 Miata
Fig. 10: Checking Connector Terminal F/P To Ground Using Jumper Wire
Courtesy of MAZDA MOTORS CORP.
2008 Mazda MX-5 Miata Grand Touring
2008 ENGINE Fuel System - MX-5 Miata
Fig. 11: Identifying F/P Connector Terminal
Courtesy of MAZDA MOTORS CORP.
2. Turn the ignition switch to the ON position to operate the fuel pump.
9. Operate the fuel pump for 10 s .
10. Measure the fuel line pressure.
If not within the specification, inspect the following:
If it less than the specification:
Fuel pump unit
Fuel line leakage
If it exceeds the specification:
Fuel line clogging
Fuel pressure (Reference)
350-410 kPa {3.57-4.18 kgf/cm
2
, 50.8-59.4 psi}
2008 Mazda MX-5 Miata Grand Touring
2008 ENGINE Fuel System - MX-5 Miata
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