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International Automotive Technicians Network
Re: Cx-9 P0456
Posted to Technical Discussion Forum on 4/21/2016

So what I found is in Mode6 only the .020 failed my evap tester only goes down to.040 leak but when I smoke test it, no smoke, ball drops and raises by cycling the vent . I almost think there might be a reflash but cant find any tsbs except about gas cap tight... Login to read more.