check engine light on
89crown
10-13-2017, 04:02 PM
I have a 2004 Pontiac vibe that has the check engine light on and it has a PO 456 code in it. It said Evaporative Emission system leak Detection(very small leak). I have change the gas cap and light is still on. Can anyone tell me what else could be the problem with this car. Thanks
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