tps voltage @ idle and wot? - LS1TECH



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tps voltage @ idle and wot?

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Old 08-08-2006, 08:46 PM   #1
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Default tps voltage @ idle and wot?

what should it be?
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Old 08-09-2006, 01:43 AM   #2
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Around .5 at idle (.48-.53) and aroung 4.90 at WOT (4.80-4.95)
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Old 08-09-2006, 11:24 AM   #3
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Quote:
Originally Posted by GOaT Cheese
Around .5 at idle (.48-.53) and aroung 4.90 at WOT (4.80-4.95)
Anything over 4.7 at WOT the PCM sees as an error, I usually stop at 4.65.

Check Installuniversity.com for a writeup.
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Old 08-09-2006, 10:35 PM   #4
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4.83 is a very common WOT voltage for a GM TPS.
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Old 08-10-2006, 12:04 PM   #5
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Quote:
Originally Posted by GOaT Cheese
4.83 is a very common WOT voltage for a GM TPS.
Not for LS1's though.
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Old 08-23-2006, 05:03 PM   #6
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So what would it be for a 99 Trans am. Im a little confused.
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Old 08-23-2006, 05:53 PM   #7
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Quote:
Originally Posted by PRO LS1
So what would it be for a 99 Trans am. Im a little confused.
Around .5 at idle and 4.65 at WOT.
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Old 08-24-2006, 04:29 AM   #8
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Mine was 4.43 (wot)before I did the bump stop mod Wed. I got it to 4.68 and thought I better quit will I was ahead.
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Old 08-24-2006, 08:49 AM   #9
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The limit=4.71, so stop at 4.68 or so. But you might not even get the pedal to open it to 4.68, mine bump stop is grinded down to 4.68 but the pedal only allows it to open to 4.58 when i mash it.
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Old 08-24-2006, 03:43 PM   #10
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Quote:
Originally Posted by TLUZLS1
The limit=4.71, so stop at 4.68 or so. But you might not even get the pedal to open it to 4.68, mine bump stop is grinded down to 4.68 but the pedal only allows it to open to 4.58 when i mash it.
Might need to move your floormat back..... you'd be suprised....
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Old 08-24-2006, 05:38 PM   #11
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is there even any difference to doing the bump stop mod. mine is at 4.45 right now

i might do it when i take my throttle body off to port it.
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Old 08-24-2006, 05:43 PM   #12
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Quote:
Originally Posted by JDP
is there even any difference to doing the bump stop mod. mine is at 4.45 right now

i might do it when i take my throttle body off to port it.
It's definatly not going to get slower.

Some people's are so shitty, that the car doesn't pick up 100% TPS and doesn't put the car in power-enrichment mode.
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Old 08-24-2006, 05:48 PM   #13
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mine kept reading between 98-99 percent so i dont think its to big of a deal on my car, but like you said, you can go any slower so ill do it for ***** and giggles
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Old 10-11-2010, 12:09 PM   #14
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Default tps

will a bad tps make my tcs light stay on and not allow my passin gear 2 kick in when i give it gas? where is it located? 99' trans am
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Old 10-11-2010, 03:05 PM   #15
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Quote:
Originally Posted by caseydwelch82 View Post
will a bad tps make my tcs light stay on and not allow my passin gear 2 kick in when i give it gas? where is it located? 99' trans am

Not sure about the TCS but it does affect your shift points because it tells the pcm how much foot you have in the throttle (where the blade is)...which is related to your shift points....
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Old 10-11-2010, 04:43 PM   #16
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When checking mine with EFI Lives scanner and a digital volt meter, mine is .55 at idle, 0% and only goes to 4.30 at WOT, but shows 100% on my scanner.
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Old 10-11-2010, 05:08 PM   #17
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Quote:
Originally Posted by TheBlurLS1 View Post
Anything over 4.7 at WOT the PCM sees as an error, I usually stop at 4.65.

Check Installuniversity.com for a writeup.
Right, mine read around 4.30 before the bumpstop mod, I took it to around 4.65 then stopped.
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Old 10-18-2012, 10:14 PM   #18
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How are you guys measuring this? My car is throwing the tps code I want to know if I need anew one or if something else is wrong? Not sure about this stuff would like to learn how to check this stuff out. Do I need to hook my car up to a scanner or tunning equipment to know the voltages. And what's the bump stop mod? Grinding some off the thorottle blade stop? Any help would be appreciated thanks.
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Old 10-19-2012, 01:16 AM   #19
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Pretty sure the purple wire at the connector is the +. Then just ground the other side of your volt meter and turn your key on while activating the butterfly by hand. You will need to puncture or tap the wire bc the sensor must be plugged in to obtain the reading.
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