mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Automatic Transmission|Page 2985 > < Automatic Transmission|Page 2983
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Fuel Pressure: Testing and Inspection
Manual Transmission

Line Pressure

Hold Pressure Check

WARNING:Before performing this procedure, release fuel pressure.

1.

Disconnect negative battery terminal.

2.

Install pressure gauge between fuel filter and fuel main hose.

3.

Reconnect battery.

Data Link Connector

4.

Connect data link connector terminals F/P and GND with jumper wire.

5.

Turn ignition "ON" and check line pressure.

PRESSURE:37 - 46 psi (260 - 320 kPa)

6.

If not as specified, check:
a. Fuel pump maximum pressure
b. Fuel line clogging and restriction
c. Fuel filter clogging and restriction
d. Pressure regulator hold pressure

Hold Pressure

Automatic Transmission|Page 2985 > < Automatic Transmission|Page 2983