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1999 Jeep Grand Cherokee Laredo 4.7L Poor Idle Quality, high idle
Posted to Chrysler Driveability on 8/20/2008 10 Replies

Help is needed on this one. It has a int. high idle prob. It seems to do it more after a 20+mile drive. seems ok cold. I have replaced the iac, cleaned the throttle body, checked for vac. leaks with carb spray and smoke machine. does not have any codes. prior ...

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car Vehicle Data

1999 Jeep Grand Cherokee Laredo

VIN 1J4GW58N6X
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1999 Jeep Grand Cherokee Laredo

VIN 1J4GW58N6X
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursIntermittently