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.
Check Engine Light Due to EVAP System Fault on Toyota Sienna
Average mileage: 133,942 (58,000–226,000)
22 people reported this problem
7 people shared problem details
2002 Toyota Sienna118,000Visitor
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 Sienna200,000Visitor
replaced canister and both VSVs under the hood. Still have the error
2003 Toyota Sienna226,000Visitor
Had to take it in and it cost me about 300.00 to repair.
2003 Toyota Sienna102,750Visitor
Check engine light due to EVAP system. p0446
1999 Toyota Sienna185,000Visitor
engine light and code.changed charcoal filter and switch on fuel rail.fixed the problem.
2007 Toyota Sienna58,000Visitor
Dealer says new charcole filter for 610 parts + labor. Seems very high for a filer
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.
Checked everything and replaced gas cap and canister. After couple weeks check engine light tur...
at about 99000 my vsc light, tract and check engine light came on. Had sensors replaced, new catalytic converter. lights have come back on. van runs great, have put on additonal 3000 miles. mech...
will work with warm engine
check engine vehicle skid control dash light came on--now have 31,000 miles
at 25,000 maintenance required light came on, now 25,600? and all other lights came on, it kind of sounds like something is clicking