Cherokee 4WD V6-173 2.8L VIN W 2-bbl (1985)
feet. Refer to the Vehicle Emission Control Information label in the engine compartment to identify these vehicles.
NOTE:
Whenever these vehicles are returned to operation at altitudes below 4,000 feet, the ignition timing and engine idle speed must be reset to
original specifications and the Vehicle Emission Control Information Update label removed.
On 1985 Grand Wagoneer/Truck, 49-State/ California/Canada 5.9L models originally sold for operation at altitudes above 4,000 feet that are being
operated below 4,000 feet, the ignition timing as shown on the original Vehicle Emission Control Information label in the engine compartment should be
retarded 7~ and engine idle reset to the specification indicated on this same label.
1.
Retard ignition timing 7~ from the setting indicated on the original Vehicle Emission Control label and reset engine idle speed to the setting
indicated on this same label.
2.
Install Vehicle Emission Control Information Update label, P/N EF 8980 000 744, next to the original label.
These adjustments apply to 1985 Grand Wagoneer/Truck, 49-State/California/Canada 5.9L models originally sold for principal use at altitudes
above 4,000 feet. Refer to the Vehicle Emission Control Information label in the engine compartment to identify these vehicles.
NOTE:
Whenever these vehicles are returned to operation at altitudes above 4,000 feet, the ignition timing and engine idle speed must be reset to
original specifications and the Vehicle Emission Control Information Update label removed.
