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owners manual KIA Optima
owners manual KIA Optima - year of production: 2015 - Kia Optima IV 4 owners manual EN
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from owners manual to the vehicle KIA Optima, year of production 2015:
• Do not misuse or abuse the engine.Unlike a disposable air filter, the DPF
CAUTION
Examples of misuse are coasting withsystem automatically burns (oxidizes)
the ignition off and descending steepand removes the accumulated soot ac‐
n
Diesel Fuel (if equipped with
grades in gear with the ignition off.cording to the driving condition. In other
DPF)
words, the active burning by engine
• Do not operate the engine at high idle
control system and high exhaust gas
It is recommended to use the regula‐
speed for extended periods (5 mi‐
temperature caused by normal/high
ted automotive diesel fuel for diesel
nutes or more).
driving condition burns and removesvehicle equipped with the DPF sys‐
• Do not modify or tamper with any
the accumulated soot. However, if thetem.
part of the engine or emission control
vehicle continues to be driven at repea‐If you use diesel fuel including high
system. All inspections and adjust‐
ted short distance or driven at lowsulfur (more than 50 ppm sulfur)
ments must be made by an author‐ and unspecified additives, it can
speed for a long time, the accumulated Maintenance
ized Kia dealer. cause the DPF system to be dam‐
soot may not be automatically re‐
aged and white smoke can be emit‐
moved because of low exhaust gas
• Avoid driving with an extremely low
ted.
temperature. More than a certain
fuel level. Running out of fuel could
amount of soot deposited, the mal‐
cause the engine to misfire, damag‐
function indicator light () illuminates.
ing the catalytic converter. Lean NOx trap (if equipped)
When the malfunction indicator light
The Lean NOx Trap (LNT) system re‐
blinks, it may stop blinking by driving
Failure to observe these precautions
moves the nitrogen oxide in the ex‐
the vehicle at more than 60 km/h
8
could result in damage to the catalytic
haust gas. The smell can occur in the
(37 mph) or at more than second gear
converter and to your vehicle. Addition‐
exhaust gas depending on the quality
with 1500 ~ 2500 engine rpm for a cer‐
ally, such actions could void your war‐
of the fuel and it can degrade NOx re‐
tain time (for about 25 minutes). If the
ranties.
duction performance, please use the
malfunction indicator light () contin‐
regulated automotive diesel fuel.
ues to be blinked or the warning mas‐
Diesel particulate filter (if
sage 䳖Check exhaust system䳗 illumi‐
equipped)
nates in spite of the procedure, please
The Diesel Particulate Filter (DPF) sys‐
visit an authorized Kia dealer and the
tem removes the soot in the exhaust
check the DPF system. If you continue
gas.
to drive with the malfunction indicator
light blinking for a long time, the DPF
system can be damaged and fuel con‐
sumption can be worsen.
8-141
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Kia Optima IV 4 owners manual
pages 724 - 730
Kia Optima IV 4 owners manual
page 727 / 776
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