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1998 Jeep Grand Cherokee 5.9 Limited 5.9L Poor Idle Quality, Surge, Stall
Posted to Chrysler Driveability on 5/7/2008 8 Replies

This one is odd. The Jeep will idle normally for some time then the rpm's start to drop, iac opens to try to compensate sounding like a jet engine. The O2 reads are all rich and when it is going through 'stall mode' the fuel trim is -24%. It jumps in and out o...

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Message Closed w/FIX

car Vehicle Data

1998 Jeep Grand Cherokee 5.9 Limited

VIN 1J4GZ88Z9W
Engine5.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Stall
Message Closed w/FIX

car Vehicle Data

1998 Jeep Grand Cherokee 5.9 Limited

VIN 1J4GZ88Z9W
Engine5.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Stall