Mazda 3 2020 Owner's Manual page 116

Before Driving
Fuel and Emission
▼ Deposit Cleaner
To get the best performance out of our
newest-technology SKYACTIV petrol
engines, cleaning of deposits adhering
to the fuel related system, such as fuel
injectors, may be required by using a
Mazda genuine deposit cleaner in the
specified countries. Refer to
SCHEDULED MAINTENANCE for the
details.
Refer to Scheduled Maintenance
(Europe) on page 6-3.
Refer to Scheduled Maintenance
(Except Europe) on page 6-7.
CAUTION
According to the inspection result of
scheduled maintenance, Mazda
genuine deposit cleaner is to be
used. Neglected deposits in the fuel
system may cause malfunction
indicator light coming on to indicate
an engine malfunction, and if the
vehicle continues to be driven under
this condition, it could result in
problems occurring such as idling
failure and poor acceleration.
The Mazda genuine deposit cleaner
is not a guarantee of engine
performance no matter the quality of
the fuel used. When a problem
occurs even though the specified fuel
is used and the Mazda genuine
deposit cleaner is used according to
the instructions, consult an
Authorised Mazda Dealer.
If a deposit cleaner other than the
Mazda genuine product is used, it
could result in damage to the fuel
system or the engine internally;
therefore use only the Mazda
genuine product. Mazda genuine
deposit cleaner: K002 W0 001
3-30
If cleaning required according to the
inspection result of scheduled
maintenance is not done with the
Mazda genuine deposit cleaner,
repair cost for engine malfunctions
caused by deposits are borne by the
customer.
How to use the cleaner
With the fuel tank full, infuse 1 bottle
of Mazda genuine deposit cleaner
directly into the fuel tank.
NOTE
Infusing the deposit cleaner when

the fuel tank is full provides the
concentration of cleaner within the
range effective for removing the
deposits and the best cleaning
results can be obtained by the full
tank of fuel with the infused deposit
cleaner contacting the deposits for a
long period of time until the full tank
of fuel is nearly used up.
▼ Fuel Requirements (SKYACTIV-D
1.8)
The vehicle will operate efficiently on
diesel fuel with specification EN590 or
the equivalent.
CAUTION
Never use fuel other than
specification EN590 or the
equivalent for your vehicle. Use of
petrol or paraffin in diesel engines
will result in engine damage.