Bad TPS?
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From: Robertsdale,AL.
Bad TPS? I am having issues with my TPS on my FAST 90mm throttle body. I had it on the dyno the other day and with the key in the "on" position the TPS is acting fine; but when we start the car and is running the sensor is VERY hesisitant and only reads about 3% under 50% open. When we shut the car back off and just have the ignition in the "on" position it will be reading ok!!! Any ideas?
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From: Tennessee Tech
I am having issues with my TPS on my FAST 90mm throttle body. I had it on the dyno the other day and with the key in the "on" position the TPS is acting fine; but when we start the car and is running the sensor is VERY hesisitant and only reads about 3% under 50% open. When we shut the car back off and just have the ignition in the "on" position it will be reading ok!!! Any ideas?
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From: Robertsdale,AL.
I checked with FAST. They wanted like 60 - 90 bucks for a new one. I can't remember what is was, but it was EXPENSIVE! What TPS is in the FAST T/B? Or should i just get a cheap stocker an see if it helps?
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From: Robertsdale,AL.
I replaced the TPS and it has low voltage with (key on,engine off) and the tuner is telling me the voltage needs to be at .59 volts and 0% on the TPS gauge on my EFI Live. How do i get the voltage up on the senser without moving the throttle blade open?
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From: Robertsdale,AL.
Ok, i just turned in the screw on the t/b to show the .59 volts at the tps. At wot it reads 4.19 volts. Also pulled the pcm ign to reset the pcm and it reads 0% on the EFI Live with the .59 volts. Now i just to reset the desired idle right? ANYONE? I started the car and it idles at 1500 rpms.
