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2000 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Posted to Chrysler Driveability on 3/2/2009 12 Replies

Im having trouble with this jeep. Car came into the shop with a MIL. there was only one code present when it came in P0304(cylinder 4 Mis). i cleared the codes and tried to duplicate the syptom. i noticed that if i rev. the car at 3000 rpm for about 30 seconds...

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car Vehicle Data

2000 Jeep Grand Cherokee Laredo

VIN IJ4G248S4Y
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Occurs3000Rpm No Load

Trouble Codes

P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0305Cylinder 5 Misfire Detected
Message Closed

car Vehicle Data

2000 Jeep Grand Cherokee Laredo

VIN IJ4G248S4Y
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Occurs3000Rpm No Load

Trouble Codes

P0300Multiple Misfire Detected
P0302Cylinder 2 Misfire Detected
P0305Cylinder 5 Misfire Detected