Purpose/Function
The fuel tank pressure sensor detects the fuel tank pressure.
Fuel tank pressure sensor is only used for OBD.
Construction
The fuel tank pressure sensor is equipped to the charcoal canister.

A piezoelectric-type sensor has been adopted.
Operation
Inputs the pressure in the fuel tank to the PCM.

Fuel tank pressure sensor characteristic

Fail-safe
Function not equipped.
Fuel Tank Pressure Sensor Inspection
IntakeVacuum Pump Removal/Installation
1. Remove the plug hole plate..
2. Remove the battery..
3. Set the PCM wiring harness out of the way.
4. Disconnect the vacuum hose from the vacuum pump..
5. Remove in the order shown in the table.
6. Install in the reverse order of removal.
1
Vacuum hose
...
Water Pump
Purpose, Function
The water pump operates by obtaining drive force from the engine via the
drive belt to pump engine coolant.
Construction
The water pump is installed to the engine front.
The water pump consists of the following parts:
A hard plasti ...
Winter Driving
Carry emergency gear, including tire chains, window scraper, flares, a small
shovel, jumper cables, and a small bag of sand or salt.
Ask an Authorized Mazda Dealer to perform the following precautions: l Have the
proper ratio of antifreeze in the radiator.
• Inspect the battery and its cable ...