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2001 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, Hesitation, MIL Lamp on
Posted to Chrysler Driveability on 7/23/2009 5 Replies

ECM and PCM have both been changed w/ new unit with new software. Started out as high idle upon starting (no MIL) removed and cleaned sensor on intake , TPS,EGR,PVC, etc. and problem went away for 60 days. Yesterday MIL light on and tranny slip and high idle n...

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car Vehicle Data

2001 Jeep Grand Cherokee Limited

VIN 1J4GW58N11
Engine4.7 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / unknown
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursAlways, Intermittently

Trouble Codes

P0325Knock Sensor 1 Circuit Malfunction
P0725Automatic Transaxle System Malfunction
Message Closed

car Vehicle Data

2001 Jeep Grand Cherokee Limited

VIN 1J4GW58N11
Engine4.7 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / unknown
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursAlways, Intermittently

Trouble Codes

P0325Knock Sensor 1 Circuit Malfunction
P0725Automatic Transaxle System Malfunction