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P0456 Diagnostic Trouble Code Discussion for April 2005

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2002 Dodge Grand Caravan Sport 3.3L MIL Lamp on VIN: 2B4GP44382
P0456: EVAP System Small Leak (0.020") Detected. This van has a po456 code for evap small leak, I visually inspected system but could not find anything wrong. I was curious if there is a common problem with these vehicles or if there is a good way to find this leak without a smoke machine? Thanks, Chad
April 11, 2005
2000 Dodge Intrepid 2.7L MIL Lamp on VIN: 2B3HD46R7Y
P0456: evap emission leak 040 very small leak. ... and vent valve last year. emission was fail code p0442 and p0456.driving after few days emission retest was ok. this year check engine light was on fail for same codes again. she always refuel car when fuel light comes on. is this could be reason or any ot...
April 14, 2005