Toyota Sienna Problem Report

Toyota Sienna Check Engine Light Due to EVAP System Fault

(22 reports)

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 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. -
replaced canister and both VSVs under the hood. Still have the error -
Had to take it in and it cost me about 300.00 to repair. -
Check engine light due to EVAP system. p0446 -
engine light and code.changed charcoal filter and switch on fuel rail.fixed the problem. -
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. -
Dealer says new charcole filter for 610 parts + labor. Seems very high for a filer -
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