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1995 Jeep Grand Cherokee Limited 4.0L Poor Idle Quality, Misfire, Poor Fuel Economy, Backfires in exhaust
Posted to Chrysler Driveability on 6/6/2005 9 Replies

The engine will run great for a while. Then it will missfire and backfire in the exhaust so badly that if you are at idle it will not drive away. It does not stall. After a few minutes ti will clear up and run well for a while. I checked for codes. The engine ...

9 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1995 Jeep Grand Cherokee Limited

VIN 1J4GZ78SC6
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port injection
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Poor Fuel Economy, Backfires in Exhaust
OccursCold, Hot, Under Load, on Accel, Idle, Intermittently

Trouble Codes

21O2sensor fixed lean
62No milage reading to PCM
Message Closed w/FIX

car Vehicle Data

1995 Jeep Grand Cherokee Limited

VIN 1J4GZ78SC6
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port injection
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Poor Fuel Economy, Backfires in Exhaust
OccursCold, Hot, Under Load, on Accel, Idle, Intermittently

Trouble Codes

21O2sensor fixed lean
62No milage reading to PCM