Question about 2002 Dodge Grand Caravan
Check engine light comes on with code po456 evap small leak could be coming from the gas filler cap ? could it be that it needs replacing ?
Can't say 100% obviously, but quite often that is the cure, but try to take some time to make sure all your hoses , in the system are in good shape & tight.
Posted on May 31, 2009
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Posted on Jan 02, 2017
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EVAP Small Leak (0.020") Detected
EVAP fuel tank or canister vapor hoses leaking or damaged.EVAP system component leaking, fuel cap loose or missing.Leak detection pump damaged or leaking.
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Usually this P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel tank with the engine running could conceivable cause this code as well or if the cap wasn't properly tightened. Any of the following could also be the cause:
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