replaced outside temp sensor and temp still wrong

Celsius?

StealthV said:

Celsius?

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That's what I was thinking
17C = 63F (apprx)

come one guys i know better it is farnheit

Always go with the easy ones first. F or C?

Um...bad ground?

I'm assuming its a thermocouple which is based on 2 different types of metals joined at the tip. When the temperature changes, so does the voltage. Its either a miscalibration in you nav unit (read C or F), or perhaps theres a different type of wire being used. I know when I worked with thermocouples in grad school we had to use a specific type of wire to connect it to the readout. If there is a different type of wire (repaired?) or solder being used, then that could also cause a false reading.

i put in the new sensor and it is still doing around the same readings.

my ac isnt working the best. so i am going through the checklist on the service manual for "too hot in vehicle"