
Diagnostic procedure


Dtc p0300
Dtc p0327Mazda 6 Service Manual: Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
2. Siphon the fuel from the fuel tank.
Note
Nonreturn valve is integrated in the fuel tank.
The nonreturn valve is normally closed by the spring force.
3. Verify that the nonreturn valve is closed.
If the nonretu ...
Mazda 6 Service Manual: Rear beltline molding removal
Note
When removing the rear beltline molding, the clip may be damaged.
If the clip is damaged, replace it with a new one.
1. Pull the A section upward and remove the clip.
2. Rotate the B section of the front beltline molding in direction (2), along
the direction (1) shown in the figu ...