4.7l throttle position sensor

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badblackram06

badblackram06

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Alright I have noticed lately on my diablo sport trinity that my throttle position is only reaching 60% even though the blade is fully open. With that said I am also noticing that my truck is no longer kicking down a gear at 65mph. So I tested the sensor using my DVM. The sensor has 5volts going in. Closed voltage was .38v. Fully open was 3.48v. Does that sound right? I am not experiencing idle issues or anything just the transmission not kicking down at 65mph. Bad sensor maybe?
 
HemiBabe

HemiBabe

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Hopefully someone will chime in shortly
 
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badblackram06

badblackram06

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Well I'm getting idle surges and high idles now.


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badblackram06

badblackram06

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It seems to be getting worse. Do you guys suggest a oem one over a retail parts store brand. I called the dealer today and of course they didn't have one but if it matters I can wait.
 
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btah

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And the results are?
 
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badblackram06

badblackram06

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No more idle surging but the trinity is still showing that the throttle position percent is 60% at WOT. I quit worrying about it since the idle returned to normal.
 
hemihustlin

hemihustlin

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Even though i believe the the TB is cable driven on the 4.7s (correct me if im wrong) but is there not a relearn procedure?
 
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badblackram06

badblackram06

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I had looked that up but didn't find anything. There were no instructions to do so with the new sensor. I attempted the procedure like on the Hemi's but it didn't do anything.
 
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mudmole1

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unplug the battery for 10 min for the pcm to relearn
 
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