bad idle

1993 FORD TEMPO
148,000 MILES • 2.3L • 4 CYL • 2WD • AUTOMATIC
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STEVE3275
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Okay, I have a bad idle problem, i tried changing the mass air flow sensor, helped a little, then did a complete tune up, not much change. it seems the colder it is the better it runs, so i thought maybe a air temperature sensor? i just do not know, one thing though, it seems in the summer it runs a lot worse than in the winter, makes me think something to go with the temperature control something. Please help! thanks
Dec 14, 2017 at 5:35 PM
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STRAILER
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It sounds like you have an engine coolant temperature sensor issue. I would try changing the sensor.

Here is a guide and the location (below) to get the job done:

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

Here is the location.

Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Dec 15, 2017 at 6:50 PM