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1997 throtte/ pedal postion sensor

Tiny
JENNIJASON
  • MEMBER
  • 1997 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 260,000 MILES
What all does the t/p sensor control an operates how does effect the running of your car
Sunday, August 17th, 2008 AT 9:35 PM

5 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
The TP sensor is the throttle position sensor, one of the most important parts of the engines electrical system for fuel trim.

Basically it modifys the base signal for fuel injector open time. Or fuel trim if you will.

Under wot acceleration it can signal the injectors to put out 5X the normal amount of fuel.

Normally it just tells the computer how far the throttle is open and the rate of throttle change to maintain the proper fuel to air mixture.
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Sunday, August 17th, 2008 AT 10:30 PM
Tiny
BLACKOP555
  • MECHANIC
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Also if malfunctioning can cause vehicle to not start if it thinks throttle is at wot.
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Sunday, August 17th, 2008 AT 10:33 PM
Tiny
JENNIJASON
  • MEMBER
  • 5 POSTS
So I need to replace the tp sensoir is thats what its called what ewxactly do I need to replace so I can pick up the part
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Monday, August 18th, 2008 AT 9:53 AM
Tiny
BLACKOP555
  • MECHANIC
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Tp is throttle position sensor. Located on the throttle body
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Monday, August 18th, 2008 AT 1:16 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
I dont understand where you ask what you have to replacr to pick up the part?
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Monday, August 18th, 2008 AT 1:24 PM

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