Check engine light
SOURCE: P0446 Evaporative Emission Control System Vent Control Circuit
ECT stands for engine coolant temperature. So I would start by making sure that your engine coolant system is not leaking and is full of coolant.If you want to tackle the job yourself you could purchase Haynes techbook # 10206 OBD -2 and electronic engine management systems or check your local library they may have a copy and they have troubleshooting steps you can do with a scan tool or multimeter. Good luck and hopefully this helps you a little.
SOURCE: check engine code "P0446 Evap Control System Vent Control Circ"
Unfortunately, this code has nothing to do with the gas cap....
A code P0446 could mean one or more of the following has happened:
Here are some things you could try to fix it:
SOURCE: I have a Toyota Sequoia
do you have check out the code? If no, you need to check out the code first, I know the ps701 jp scanner can diagnose for your car.
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