2001 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
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...
FIX posted 6/22/2005
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Message Closed w/FIX
Vehicle Data2001 Jeep Grand Cherokee Laredo
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2001 Jeep Grand Cherokee Laredo
VIN | 1J4GW48S11 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0456 | EVAP System Very Small Leak Detected |