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2001 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Posted to Chrysler Driveability on 5/13/2005 8 Replies

I have a quick question on this PO456 code. After testing fuel cap with stant fuel cap test kit, this passed. So the next test we performed was smoke test evap system. With the scanner in purge system test, & in the block system mode. I began to pump smoke int...

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  Related Documents & Media  2001 Jeep Grand Cherokee Laredo

 
Message Closed w/FIX

car Vehicle Data

2001 Jeep Grand Cherokee Laredo

VIN 1J4GW48S11
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0456EVAP System Very Small Leak Detected
Message Closed w/FIX

car Vehicle Data

2001 Jeep Grand Cherokee Laredo

VIN 1J4GW48S11
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0456EVAP System Very Small Leak Detected