Exhaust Regeneration - Jeep Grand Cherokee User Manual

9. Repeat steps 5 through 8 to service second filter in fuel filter assembly.
NOTE:
The WIF (Water In Fuel) sensor is re-usable. Service kit comes with new o-ring for
filter canister and WIF (Water In Fuel) sensor.
• Diesel fuel will damage blacktop paving surfaces. Drain the filter into an
appropriate container.
• Do not prefill the fuel filter when installing a new fuel filter. There is a
possibility debris could be introduced into the fuel filter during this action. It
is best to install the filter dry and allow the in-tank lift pump to prime the fuel
system.
• If the "Water In Fuel Indicator Light" remains on, DO NOT START the engine
before you drain water from the fuel filter to avoid engine damage.

EXHAUST REGENERATION

• This engine meets all required EPA diesel engine emissions standards. To achieve
these emissions standards, your vehicle is equipped with a state-of-the-art engine
and exhaust system. These systems are seamlessly integrated into your vehicle and
managed by the Powertrain Control Module (PCM).
• Additionally, your vehicle has the ability to alert you to additional maintenance
required on your vehicle or engine. Refer to the following messages that may be
displayed on your Electronic Vehicle Information Center (EVIC).
Perform Service
• Your vehicle will require emissions maintenance at a set interval. To help remind
you when this maintenance is due, the Electronic Vehicle Information Center
(EVIC) will display "Perform Service".
• When the "Perform Service" message is displayed on the EVIC it is necessary to
have the emissions maintenance performed.
Exhaust System – Regeneration Required Now
• Indicates that the Diesel Particulate Filter (DPF) reached 80% of its maximum
storage capacity.
• By simply driving your vehicle at highway speeds for up to 20 minutes, you can
remedy the condition in the particulate filter system and allow your diesel engine
and exhaust after-treatment system to cleanse the filter to remove the trapped PM
and restore the system to normal operating condition.
Exhaust System — Regeneration in Process Exhaust Filter XX% Full
• Indicates that the Diesel Particulate Filter (DPF) is self-cleaning. Maintain your
current driving condition until regeneration is completed.
CAUTION!
DIESEL
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