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1993 Toyota Corolla CEL comes on while driving

The engine light comes on once I am driving . It’s not it’s on when I start the car.

You have a couple of choices . 1. If you are in the US most Auto Zone stores will read the codes ( if they have not suspended that because of the virus ) . 2. Have an independent shop look at your vehicle because there are many things that turn on the check engine light.

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If you google"how to check the codes on a 1993 Toyota Corolla", You will see videos that show you how.

An auto parts store isn’t going to know how to pull the codes from your OBDI Toyota.

Here’s how it’s done.

http://straighttalkautomotive.com/OBD1/toyota-OBD-I.html

Tester

You must have a million miles on a 1993 Toyota!