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1990 Jeep Cherokee Pioneer 4.0L Excessive Emissions, Cuts out, Misfire, Back Fires
Posted to Chrysler Driveability on 2/3/2003 7 Replies

This Jeep was bought at an auction and has had this problem ever since. The Jeep idles OK and runs at WOT OK, but as you accel. from idle the engine develops a miss and then a backfire as you push the accel. pedal down. Along with the tune-up parts that had be...

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car Vehicle Data

1990 Jeep Cherokee Pioneer

VIN 1J4FJ38L4L
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Cuts Out, Misfire, Back Fires
OccursCruise, Between Idle and Wot
Message Closed w/FIX

car Vehicle Data

1990 Jeep Cherokee Pioneer

VIN 1J4FJ38L4L
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Cuts Out, Misfire, Back Fires
OccursCruise, Between Idle and Wot