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P0440 Diagnostic Trouble Code Discussion for May 2006

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2001 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C01
P0440: EVAP Control System Large Leak Detected. Vehicle came in a week ago with Mil(s) for PO440,PO442 Evap failures. Checked system and found no leaks at this time. Also looked up Tsbs and found one for canister closed valve, replaced valve and sent customer on his way. A week later its back and i have spe...
May 02, 2006
1999 Mercury Villager 3.3L Poor Fuel Economy, MIL Lamp on VIN: 4M2XV14T2Y
P0440: EVAP System Small Leak (0.040") Detected. i need help the van has a noticeable hiss coming from the rear of the intake i checked for leaks none found. another tech suggested that there is some kind of valve that is in the intake that is sticking he can't recall the name of the valve or the location pl...
May 11, 2006
2002 Dodge Durango SLT Plus 4.7L MIL Lamp on VIN: 1B4HS58N32
P0440: General Evap system fault. ... my own personal vehicle, I have code p0440 general evap system fault that comes back on in a few days after clearing codes with modis, I have put on a new gas cap about 3 months ago, today I actually tried to figure out what is causing code, vacuum to purg...
May 16, 2006