
Diagnostic procedure

Dtc b1681
Dtc b1600Mazda 6 Service Manual: Fuel-Filler Cap
To remove the fuel-filler cap, turn it counterclockwise.
Attach the removed cap to the inner side of the fuel lid.
To close the fuel-filler cap, turn it clockwise until a click is heard.
CAUTION
(U.S.A. and Canada) If the check fuel cap warning light illuminates,
the fuel-filler cap may not ...
Mazda 6 Service Manual: After repair procedure
Warning
Fuel line spills and leakage are dangerous. Fuel can ignite and
cause serious injuries or death and damage. When installing the fuel hose,
observe Fuel Leakage Inspection described below.
Fuel Leakage Inspection
Warning
Fuel line spills and leakage are dangerous. Fuel can i ...