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Bad TPS sensor?

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Old Sep 26, 2005 | 08:58 AM
  #1  
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Bad TPS sensor?

Heres the problem the engine speed doesnt go up if i tap on the gas peddal if im crusin between 30 and up... i can gently pump the gas pedal and i see no increase in rpm... its almost like if were drivin manual and had it in 5th going 30... plus... if im crusin at lets say 30 and i give it enough gas downshift out of the gear... the rpms rise like normal for a second then drop right away as if the trans just upshifted.. its almost like the trans downshifts like normal when i give it gas then abruptly upshifts.... i have a new trans but the old one did the same exact thing.. so i know its not a transmission problem... could this be a result of a dead spot in the tps sensor?
Old Sep 26, 2005 | 10:45 AM
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bump..... anybody....
Old Sep 26, 2005 | 10:51 AM
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So you press the pedal, but there is no change in the RPMs... that sounds like a bad TPS to me...

its easy to check the TPS... do you have a Haynes? Just get a multimeter and probe the two terminals... smoothly open the throttle, you should see a linear increase in resistance/voltage as you open the throttle.
Old Sep 26, 2005 | 11:02 AM
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yea i know but if there is a dead spot then the vom will not always pick it up
Old Sep 26, 2005 | 11:09 AM
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I would think that if there is a dead-spot, the voltage/resistance will stay the same even as the throttle is opened further.

You can pick up a used working TPS for 30 bucks - why not try swap it out?
Old Sep 26, 2005 | 11:38 AM
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where could i get one for 30$
Old Sep 26, 2005 | 11:41 AM
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4th Gen classifieds... saw one there for 30 bucks not too long ago (within the past 2 weeks).
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