2003 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
We have ran all the charts for this code. We have smoked the system and can find no leaks. We have replaced gas cap and LDP pump and still have same problem. We have a DRB-3 scanner and can force run this monitor. We are running out of questions to ask. We did...
FIX posted 10/18/2006
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Message Closed w/FIX
Vehicle Data2003 Jeep Grand Cherokee Laredo
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2003 Jeep Grand Cherokee Laredo
VIN | 1J8GW48S73 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0456 | EVAP System Very Small Leak Detected |