Warning
Fuel Leakage Inspection
Warning
Caution
1. Short the check connector terminal F/P to body GND using a jumper wire.

2. Turn the ignition switch to ON position to operate the fuel pump.
3. Pressurize the system in this way for at least 5 minutes
to be sure of no leakage.
4. After repair, assemble the system and repeat Steps 1 to 3.
Before repair procedure
Fuel tank removal/installationMazda 6 Service Manual: No. 1 one or more on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...
Mazda 6 Service Manual: Thermostat
THERMOSTAT REMOVAL/INSTALLATION
1. Remove the plug hole plate.
2. Disconnect the negative battery cable.
3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
5. Remove the washer tank.
6. Remove the P/S oil pump.
Note
...