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1998 Jeep Grand Cherokee Laredo 4.0L Misfire
Posted to Chrysler Driveability on 11/8/2007 8 Replies

This Jeep has a misfire, muffled ping and/or cough during moderate to heavy acceleration. This occurs 4 or 5 minuets after a cold start for 5 to 10 seconds. It will not occur again until another cold start. It runs great after warm up.

Replaced both O2 senso...

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Message Closed w/FIX

car Vehicle Data

1998 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S4W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursDuring Warm Up
Message Closed w/FIX

car Vehicle Data

1998 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S4W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursDuring Warm Up