308
STARTINGANDOPERATING
It is even more important to look for gasolines without
MMT in Canada, because MMT can be used at levels
higherthanthoseallowedintheUnitedStates.
• TheUsinguseleadedof leadedgasolinegascanisimpairprohibitedenginebyperformance,Federal law.
damagetheemissioncontrolsystem.
MMT is prohibited in Federal and California reformu-
latedgasoline.
• malfunctions,An out-of-tunecanengine,causeorthecertaincatalyticfuelconverteror ignitionto
overheat. If you notice a pungent burning odor or
somelightsmoke,yourenginemaybeoutoftuneor
malfunctioning and may require immediate service.
Contactyourdealerforserviceassistance.
MaterialsAddedToFuel
All gasoline sold in the United States is required to
contain effective detergent additives. Use of additional
detergentsorotheradditivesisnotneededundernormal
conditionsandwouldresultinadditionalcost.Therefore
youshouldnothavetoaddanythingtothefuel.
• Theoctaneuseenhancersoffueladditivesis not recommended.whicharenowMostbeingofsoldtheseas
products contain high concentrations of methanol.
Fuelsystemdamageorvehicleperformanceproblems
resultingfromtheuseofsuchfuelsoradditivesisnot
theresponsibilityofthemanufacturer.
FuelSystemCautions
CAUTION!
NOTE:
systems can result in civil penalties being assessed
againstyou.
Intentional tampering with emissions control
Follow these guidelines to maintain your vehicle’s
performance:
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2007 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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