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1998 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Idle Quality, Surge, Stall, Misfire, Poor Fuel Economy
Posted to Chrysler Driveability on 11/9/2007 8 Replies

This jeep has been beating us up pretty bad. It starts and idles perfectly cold then when it hits about 180 degrees it surges and misfires badly. Fuel system is in good shape pressure and volume are good. Ignition is working perfectly. No vacc leaks around inj...

8 Replies Received (View Replies)

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car Vehicle Data

1998 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S6W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Stall, Misfire, Poor Fuel Economy
OccursAlways, Hot, Idle
Message Closed w/FIX

car Vehicle Data

1998 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S6W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Stall, Misfire, Poor Fuel Economy
OccursAlways, Hot, Idle