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Discussion Starter #1
My check engine light would light on stay on for few seconds and turn off. Recentyl it stay on longer and longer.
I read codes today and got
Code 13 Air temperature sensor and
Code 21 Engine coolant sensor.

What could cause both sensors to be bad at the same time?
My temperature gauge works normal . Is Engine coolant sensor related to code 21 used to drive the gauge or it has separate sensor?

Where are those sensors located?
Thanks for any help

There is only 53K mi on the car and it runs great.
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