Check Engine Light Due to EVAP System Fault on Toyota Sienna

The Check Engine Light may illuminate due to an evaporative emission (EVAP) system fault. Our technicians tell us these EVAP system faults can be difficult to diagnose but it is not uncommon to find a failed charcoal canister or a loose or worn gas cap.

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Average mileage: 131,177 (58,000–226,000)
8 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2007, 2008
24 people reported this problem
8 people shared problem details
2002 Toyota Sienna118,000
Check engine light went on. Mechanic diagnosed P0440 problem - Evap system. Checked all - hoses, gas caps, solenoid, valve, and pinpointed to carbon canister. Not fixed yet, but will cost $375 parts + $50 labor.
2001 Toyota Sienna200,000
replaced canister and both VSVs under the hood. Still have the error
2003 Toyota Sienna102,750
Check engine light due to EVAP system. p0446
2003 Toyota Sienna226,000
Had to take it in and it cost me about 300.00 to repair.
2007 Toyota Sienna58,000
Dealer says new charcole filter for 610 parts + labor. Seems very high for a filer
1999 Toyota Sienna185,000
engine light and code.changed charcoal filter and switch on fuel rail.fixed the problem.
2007 Toyota Sienna98,000
Dealer mechanics tell me it needs a charcoal canister replacement. Says the part costs $1100.00 not including labor. Is this really necessary???
Engine lights came on. Took to the dealer and they said that my charcoal canister is bad. They want over $1,000 to replace it.
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