[Engine Light on 2001 Corolla]

I have 2001 Corolla LE 4 Dr Sedan and It has about 65000 miles on it.

Recently, it suddenly started giving engine CHECK light.

I got it checked at AutoZone in New Jersey and AutoZone found the code as P0446.

What does this mean and what is wrong with the car? How I get it fixed?

Please help

Gur Chahil

[Camry 1997 CHECK light]

The CHECK light on the front panel comes on and then after 2 or 3 days goes off.

Then it appears again and stays a couple of days.

I found out, using a tool from Auto Zone, that the code is P0401.

This code indicates many things. Please advise how to fix the problem and exactly what needs to be changed

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It has about 91000 miles on it.

[Camry 1997 CHECK light]

The CHECK light on the front panel comes on and then after 2 or 3 days goes off.

Then it appears again and stays a couple of days.

I found out, using a tool from Auto Zone, that the code is P0401.

This code indicates many things. Please advise how to fix the problem and exactly what needs to be changed