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There is no "real" way to test the TPS sensor in any car. There is a total of 2 problems that are possible with a TPS sensor. 1.) It is stuck open, acting like a huge vacuum leak. 2.) It is stuck closed.
The best way to diagnose this problem is to cover the air filter with your hands, if the engine stalls out, the TPS sensor is stuck closed. If not, you either have a vacuum leak, or the TPS sensor is stuck open. (The engine is getting air from somewhere other than the air filter.)
If you find it is stuck open or closed, first remove the sensor, and clean it with Carb cleaner, or break cleaner. (NOT BREAK FLUID, BUT BREAK CLEANER.) A Tooth brush, and tooth pick will come in handy here. Make sure you can move the plunger up and down (opened and closed) once it's been cleaned. If you used break cleaner, allow to dry over night. If you've used carb cleaner, you may reinstall the sensor when ever you'd like.
I hope I've helped, and I know for the most part, this is correct.
Wiki User
∙ 16y ago
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