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The Terminator
Engine/Tuning
Throttle position sensor reads 19% at idle. What's going on?
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<blockquote data-quote="TheFleshRocket" data-source="post: 4509804" data-attributes="member: 48535"><p>I checked the TPS voltage using my Predator. At idle, it reads 1.4v and at WOT it reads 4.65v. I then took the TPS off of the throttle body. At the lowest setting, it was at 0.4v and at the highest it was still at 4.65v. So the high end is fine but the idle is definitely off.</p><p></p><p>I have seen no way to adjust the TPS itself. I am wondering if the base idle screw just needs to be set lower. The car idles at around 750-800rpm but could the idle screw be set a bit high and the IAC be compensating for it?</p><p></p><p>Tomorrow night I will see if I can adjust the idle set screw, but if anyone has any suggestions in the meantime, please let me know.</p></blockquote><p></p>
[QUOTE="TheFleshRocket, post: 4509804, member: 48535"] I checked the TPS voltage using my Predator. At idle, it reads 1.4v and at WOT it reads 4.65v. I then took the TPS off of the throttle body. At the lowest setting, it was at 0.4v and at the highest it was still at 4.65v. So the high end is fine but the idle is definitely off. I have seen no way to adjust the TPS itself. I am wondering if the base idle screw just needs to be set lower. The car idles at around 750-800rpm but could the idle screw be set a bit high and the IAC be compensating for it? Tomorrow night I will see if I can adjust the idle set screw, but if anyone has any suggestions in the meantime, please let me know. [/QUOTE]
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Engine/Tuning
Throttle position sensor reads 19% at idle. What's going on?
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