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EnglishEngine Emission Control for your Ford Focus 2018-2025
Engine Emission Control
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Do not switch the ignition off when your
CATALYTIC CONVERTER - 1.0L
ECOBOOST™/1.5L
vehicle is moving.
•
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Do not use leaded fuel.
Avoid running out of fuel.
ECOBOOST™/1.5LTIVCT/2.3L
ECOBOOST™
Note: Resulting component damage may
not be covered by the vehicle Warranty.
WARNING: Do not park, idle or
drive your vehicle on dry grass or other
dry ground cover. The emission system
heats up the engine compartment and
exhaust system, creating the risk of fire.
On-Board Diagnostics System
Your vehicle has an on-board diagnostics
system that monitors the emission control
system. If any of the following warning
lamps illuminate, this may indicate that
the on-board diagnostics system has
detected an emission control system
malfunction.
WARNING: The normal operating
temperature of the exhaust system is
very high. Never work around or attempt
to repair any part of the exhaust system
until it has cooled. Use special care when
working around the catalytic converter.
The catalytic converter heats up to a very
high temperature after only a short
period of engine operation and stays hot
after the engine is switched off.
WARNING: Exhaust leaks may
result in entry of harmful and potentially
lethal fumes into the passenger
Continuing to drive your vehicle may cause
reduced power or the engine to stop.
Failure to respond to a warning lamp may
cause component damage not covered by
the vehicle Warranty. Have your vehicle
checked as soon as possible.
compartment. If you smell exhaust
fumes inside your vehicle, have your
vehicle inspected immediately. Do not
drive if you smell exhaust fumes.
Your vehicle has various emission control
components and a catalytic converter that
enables it to comply with applicable
exhaust emission standards.
GASOLINE PARTICULATE
FILTER
To avoid damaging the catalytic converter:
WARNING: Do not park or idle your
vehicle over dry leaves, dry grass or other
combustible materials. The regeneration
process creates very high exhaust gas
temperatures and the exhaust will
radiate a considerable amount of heat
during and after regeneration and after
you have switched the engine off. This is
a potential fire hazard.
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Do not crank the engine for more than
10 seconds at a time.
Do not run the engine with a spark plug
lead disconnected.
Do not push-start or tow-start your
vehicle. Use booster cables. See Jump
Starting the Vehicle (page 390).
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Focus (CGE) Vehicles Built From: 15-03-2021, CG3784en enGBR, Edition date: 202012, First-Printing
Engine Emission Control
To reduce the risk of causing damage to
the gasoline particulate filter:
To assist passive regeneration, we
recommend that you make occasional
journeys that allow you to:
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Do not crank the engine for more than
10 seconds at a time.
•
Drive at a varied range of conditions,
including highway conditions for a
minimum of 20 minutes.
Do not push-start or tow-start your
vehicle. Use booster cables.
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•
Avoid prolonged engine idling.
Do not switch the ignition off when your
vehicle is moving.
Select a suitable gear to maintain
engine speed between 1500 and 4000
RPM.
Do not ignore warning lamps, indicators
or information messages.
If the filter is saturated or is approaching
saturation, a warning lamp illuminates or
a message appears in the information
display.
Note: A warning lamp illuminates and a
message appears in the information display
on some vehicles.
If you do not take action when a warning
lamp illuminates or a message appears in
the information display, you could cause
damage not covered by the vehicle
Warranty.
Gasoline Particulate Filter
Regeneration
Particles in the exhaust gas collect in the
gasoline particulate filter causing a gradual
restriction over time. This restriction is
removed through a regeneration process
controlled by the engine control system.
The regeneration process converts the
particles in the exhaust gas into harmless
gases.
Regeneration occurs during normal driving,
to varying degrees depending on how you
drive. Passive regeneration occurs when
you drive at moderate to high speed but if
you generally drive short distances at low
speed, the engine control system could
actively raise the exhaust gas temperature
to remove the particles that have collected
in the filter to make sure that it continues
to correctly operate.
Gasoline Particulate Filter
Warning Lamps and Indicators
Malfunction indicator lamp.
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Focus (CGE) Vehicles Built From: 15-03-2021, CG3784en enGBR, Edition date: 202012, First-Printing
Engine Emission Control
Gasoline Particulate Filter Information Messages
Message
Action
Exhaust filter at limit Drive
to clean now
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Drive at a varied range of conditions, including highway
conditions for 20 minutes or until the message disap-
pears.
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Avoid prolonged engine idling.
Select a suitable gear to maintain engine speed
between 1500 and 4000 RPM.
Exhaust filter over limit
Service now
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Drive at a moderate speed.
Avoid heavy acceleration and deceleration.
Have your vehicle checked as soon as possible.
WARNING: Exhaust leaks may
DIESEL PARTICULATE FILTER
result in entry of harmful and potentially
lethal fumes into the passenger
compartment. If you smell exhaust
fumes inside your vehicle, have your
vehicle inspected immediately. Do not
drive if you smell exhaust fumes.
WARNING: Do not park or idle your
vehicle over dry leaves, dry grass or other
combustible materials. The regeneration
process creates very high exhaust gas
temperatures and the exhaust will
radiate a considerable amount of heat
during and after regeneration and after
you have switched the engine off. This is
a potential fire hazard.
Your vehicle has various emission control
components and a diesel particulate filter
that enables it to comply with applicable
exhaust emission standards. It filters
harmful diesel particulates, for example
soot from the exhaust gas.
WARNING: The normal operating
temperature of the exhaust system is
very high. Never work around or attempt
to repair any part of the exhaust system
until it has cooled. Use special care when
working around the diesel oxidation
catalytic converter or the diesel
To avoid damaging the diesel particulate
filter:
•
•
Do not crank the engine for more than
10 seconds at a time.
Do not push-start or tow-start your
vehicle. Use booster cables. See Jump
Starting the Vehicle (page 390).
particulate filter. The diesel oxidation
catalytic converter and the diesel
particulate filter heat up to very high
temperatures after only a short period
of engine operation and remain hot after
you switch the engine off.
•
•
Do not switch the ignition off when your
vehicle is moving.
Do not ignore warning lamps or
information messages regarding
exhaust system cleaning and
regeneration.
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Focus (CGE) Vehicles Built From: 15-03-2021, CG3784en enGBR, Edition date: 202012, First-Printing
Engine Emission Control
Note: This could result in damage not
covered by the vehicle Warranty.
WARNING: The normal operating
temperature of the exhaust system is
very high. Never work around or attempt
to repair any part of the exhaust system
until it has cooled. Use special care when
working around the diesel oxidation
catalytic converter or the diesel
On-Board Diagnostics System
Your vehicle has an on-board diagnostics
system that monitors the emission control
system. If any of the following warning
lamps illuminate, this indicates that the
on-board diagnostics system has detected
an emission control system malfunction.
particulate filter. The diesel oxidation
catalytic converter and the diesel
particulate filter heat up to very high
temperatures after only a short period
of engine operation and remain hot after
you switch the engine off.
Engine coolant temperature
warning lamp.
Ignition warning lamp.
The diesel particulate filter on your vehicle
requires periodic regeneration to maintain
correct operation. The emission control
system automatically carries out this
process. As soot gathers in the system it
begins to restrict the filter. The soot that
gathers inside the filter is cleaned in two
different ways, passive regeneration and
active regeneration. Both methods occur
automatically and require no actions from
the driver. During automatic regeneration,
the system cleans the diesel particulate
filter by oxidizing the soot. Cleaning
happens during normal engine operating
conditions at varying levels depending on
driving conditions.
Malfunction indicator lamp.
Powertrain warning Lamp.
Water in fuel warning lamp.
If you continue to drive your vehicle with a
warning lamp illuminated, the engine could
stop without warning. This could result in
damage not covered by the vehicle
warranty. Have your vehicle checked as
soon as possible.
Diesel particulate filter warning
lamp.
E
Diesel Particulate Filter Automatic
Regeneration
If the diesel particulate filter is near or at
saturation, a warning lamp or information
message appears in the information
display. Drive your vehicle in a manner to
allow effective diesel particulate filter
cleaning.
The warning lamp continues to illuminate
until the automatic regeneration process
completes. Continue to drive your vehicle
in a manner to allow effective diesel
particulate filter cleaning until the warning
lamp turns off.
WARNING: Do not park or idle your
vehicle over dry leaves, dry grass or other
combustible materials. The regeneration
process creates very high exhaust gas
temperatures and the exhaust will
radiate a considerable amount of heat
during and after regeneration and after
you have switched the engine off. This is
a potential fire hazard.
226
Focus (CGE) Vehicles Built From: 15-03-2021, CG3784en enGBR, Edition date: 202012, First-Printing
Engine Emission Control
Failure to carry out regeneration when
If you are not driving your vehicle in a
manner that allows effective cleaning, a
message may appear in the information
display to instruct you to drive in a manner
that allows automatic regeneration.
The automatic regeneration process is
most effective when you drive at a steady
vehicle speed of 48 km/h (30 mph) or
above for approximately 20 minutes. The
frequency and duration of the regeneration
process varies by how you drive your
vehicle, the outside air temperature and
altitude. Frequency varies between 160 km
(100 mi) and 500 km (310 mi) and each
regeneration process lasts between 10 and
20 minutes.
required could result in a clogged diesel
particulate filter. If the diesel particulate
filter fills beyond the regeneration
threshold, the system disables the ability
to carry out regeneration. This could result
in damage not covered by the vehicle
warranty.
Where vehicle use meets any of the
following conditions:
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Driving short distances.
Prolonged engine idling.
Frequently switching the engine on and
off.
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High levels of acceleration and
deceleration.
Note: Changes in the engine or exhaust
sound may be heard during the regeneration
process.
We recommend you assist the
regeneration process by:
Note: During regeneration at low speed or
engine idle, you could smell a hot metallic
odor and could notice a clicking metallic
sound. This is due to the high temperatures
reached during the regeneration process.
This is normal.
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Avoiding prolonged engine idling.
Drive your vehicle in a manner to allow
effective cleaning. Drive at a steady
vehicle speed of 48 km/h (30 mph) or
above for approximately 20 minutes.
If the soot load in the diesel
particulate filter reaches a
critical level, the malfunction
indicator lamp illuminates with the diesel
particulate filter warning message. A
service regeneration must be performed
to recover the particulate filter. Have your
vehicle checked as soon as possible to
prevent further damage.
Automatic regeneration raises the exhaust
temperature to eliminate the soot
particles. During cleaning, soot particles
are converted to harmless gasses. Once
cleaned, the diesel particulate filter
continues to trap harmful diesel particles.
If you are driving your vehicle in a manner
that allows effective cleaning, a message
may appear in the information display to
indicate automatic regeneration is in
progress.
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Focus (CGE) Vehicles Built From: 15-03-2021, CG3784en enGBR, Edition date: 202012, First-Printing
