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1999 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, MIL Lamp on
Posted to Chrysler Driveability on 6/24/2004 6 Replies

Jeep came in with 3 misfire codes and 2 coil circuit codes. tuned up the vehicle and misfire codes and one coil code are gone. Tried swapping coils from 2 other cylinders and code stays on cyl #4. Ignition primary scope looks good. Wiring harness ohmed out goo...

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  Related Documents & Media  1999 Jeep Grand Cherokee Limited

 
Message Closed w/FIX

car Vehicle Data

1999 Jeep Grand Cherokee Limited

VIN 1J4GW68N9X
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0354Ignition Control Module Circuit 4 Malfunction
Message Closed w/FIX

car Vehicle Data

1999 Jeep Grand Cherokee Limited

VIN 1J4GW68N9X
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursAlways

Trouble Codes

P0354Ignition Control Module Circuit 4 Malfunction