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1985 Jeep Grand Wagoneer 5.9L Excessive Emissions, Poor Idle Quality, Stall, Misfire
Posted to Chrysler Driveability on 1/22/2011 16 Replies

Got a strange one here. It misfires steady on #5 and #8 cylinders. Good strong spark at plugs, new cap/rotor/wires/plugs and good compression. Vacuum gauge indicates steady 16", but occasionally cylinders will suddenly have assist and vacuum then is 19" steady...

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car Vehicle Data

1985 Jeep Grand Wagoneer

VIN 1JCNJ15N5F
Engine5.9 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCarburetion / 4BBL
EmissionsCA
SymptomsExcessive Emissions, Poor Idle Quality, Stall, Misfire
OccursAlmost Always
Message Closed w/FIX

car Vehicle Data

1985 Jeep Grand Wagoneer

VIN 1JCNJ15N5F
Engine5.9 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCarburetion / 4BBL
EmissionsCA
SymptomsExcessive Emissions, Poor Idle Quality, Stall, Misfire
OccursAlmost Always