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Old 12-13-2011, 12:50 PM   #1
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Question bad throttle position sensor symptoms

My caddy deville 1992, stall when it warms up. If I wait a few minutes it will start again. What are some of the symptoms of a bad throttle position sensor and how hard is it to install a new one, ie, how would I do it. thanks
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Old 12-13-2011, 01:37 PM   #2
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My symptoms were stalling when I braked, say for a stop sign and making a hard right or left turn at low speed. Here is a link that Danthurs posted showing the testing procedure. as you can see the replacement only involves removing two screws and unplugging the switch. (at least on the Bonnevilles)

https://www.gmforum.com/trouble-shooting-test-procedures-141/testing-tps-throttle-position-sensor-279319/
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Old 12-13-2011, 08:28 PM   #3
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That could be so many different things. Do you have a ses light on? Have you checked for stored or active codes? Fuel pressure in range? Don't throw parts at it until some basic diagnostic work has been done. You'll have more in your wallet and fixed faster.
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Old 02-10-2012, 04:20 PM   #4
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Have you pulled (dtc)codes? You can do it from the driver seat.

The Caddy'* have fully contained onboard self diagnostics that are better than most professional code readers using the heater controls. All you need is pen & paper to rite them down.

You will find everything here including a list of definitions
http://myweb.accessus.net/~090/dtcobd1.html
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