400
MAINTAINING YOUR VEHICLE
NOTE: Intentional tam pering with emissions control
system s can resu lt in civil penalties being assessed
against you .
To minimize the possibility of catalytic converter damage:
•
Do not shu t off the engine or interru pt the ignition
when the transm ission is in gear and the vehicle is in
motion.
WARN ING!
•
•
Do not try to start the engine by pushing or tow ing the
vehicle.
A hot exhaust system can start a fire if you park over
materials that can burn. Such materials migh t be
grass or leaves coming into contact with you r exhaust
system . Do not park or operate you r veh icle in areas
where you r exhaust system can contact anyth ing that
can burn.
Do not idle the engine with any spark plug wires
disconnected or rem oved , such as when diagnostic
testing, or for prolonged period s during very rou gh
idle or malfunctioning operating cond itions.
Crankcase Emission Control System
Prop er operation of this system depend s on freed om
from sticking or plugging due to deposits. As vehicle
mileage builds up, the PCV valve and passages may
accumulate deposits. If a valve is not working prop erly,
rep lace it with a new valve. DO NOT ATTEMPT TO
CLEAN THE OLD PCV VALVE!
In unu sual situ ations involving grossly malfunctioning
engine operation, a scorching odor may suggest severe
and abnorm al catalyst overheating. If this occurs, stop
the vehicle, turn off the engine and allow it to cool.
Service, inclu ding a tune up to manu factu rer’s specifica-
tions, shou ld be obtained immediately.
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2008 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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