MAINTAINING YOUR VEHICLE
263
To minim ize the possibility of catalytic converter dam-
age:
NOTE: Intentional tam pering with emissions control
system s can resu lt in civil penalties being assessed
against you .
•
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.
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!
•
•
Do not try to start the engine by pushing or tow ing the
vehicle.
Do not idle the engine with any spark plug wires
disconnected or rem oved , such as when diagnostic
testing.
Check ventilation hose for ind ication of damage or
plugging deposits. Replace if necessary.
•
•
Do not idle the engine for prolonged period s during
very rou gh idle or malfunctioning operating cond i-
tions.
7
Fuel Filter
A plugged fuel filter can cause hard starting or limit the
speed at which a vehicle can be driven. Shou ld an
excessive amount of dirt accumulate in the fuel tank,
frequ ent rep lacem ent of the fuel filter which is mounted
in the fuel tank may be necessary.
Do not allow vehicle to run out of fuel.
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2004 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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