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2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Chrysler Driveability on 8/2/2008 11 Replies

This Jeep came in with MIL on and a slight sputter at idle. Scan to find Random misfire and no. 3 cylinder miss. Checked compression and replaced original spark plugs. Cleared codes and retest. Misfire counters still counting at all cylinders and only at idle....

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Message Closed w/Summary

car Vehicle Data

2000 Jeep Cherokee Sport

VIN 1J4FF48S8Y
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2000 Jeep Cherokee Sport

VIN 1J4FF48S8Y
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0300Multiple Misfire Detected