MAINTAININGYOURVEHICLE
369
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Do not shut off the engine or interrupt the ignition
whenthetransmissionisingearandthevehicleisin
motion.
WARNING!
Ahotexhaustsystemcanstartafireifyouparkover
materials that can burn. Such materials might be
grass or leaves coming into contact with your ex-
haustsystem.Donotparkoroperateyourvehiclein
areas where your exhaust system can contact any-
thingthatcanburn.
Donottrytostarttheenginebypushingortowingthe
vehicle.
• Dodisconnectednot idle theor removed,engine withsuchanyassparkwhenplugdiagnosticwires
testing, or for prolonged periods during very rough
idleormalfunctioningoperatingconditions.
In unusual situations involving grossly malfunctioning
engine operation, a scorching odor may suggest severe
and abnormal catalyst overheating. If this occurs, stop
the vehicle, turn off the engine and allow it to cool.
Service,includingatuneuptomanufacturer’sspecifica-
tions,shouldbeobtainedimmediately.
CrankcaseEmissionControlSystem
Proper operation of this system depends on freedom
from sticking or plugging due to deposits. As vehicle
mileage builds up, the PCV valve and passages may
accumulatedeposits.Ifavalveisnotworkingproperly,
replace it with a new valve. DO NOT ATTEMPT TO
CLEANTHEOLDPCVVALVE!
7
To minimize the possibility of catalytic converter dam-
age:
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2007 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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