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Thread: TPS voltage
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04-30-2011, 09:22 PM #1
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- Apr 2010
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- Alabama
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Black/ Silver- 98 TA WS6/ 01 C5 Corvette
TPS voltage
How do you set the voltage for.the TPS? I just got a new TB and it says I need to. Also the TPS sensor broke on it, the TB is a ls2 style TB so should any ls2 TPS sensor work on it?
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05-01-2011, 04:23 AM #2
Normally, you unplug it, turn the key on ( with-out starting it ) for 10 seconds, turn the key off, plug it back in, your done. That resets the zero point for the idle control circuit.
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05-01-2011, 04:36 AM #3
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05-01-2011, 04:50 AM #4
Does your stock TPS fit ?
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05-01-2011, 04:55 AM #5
I have a 4bb TB that uses the stock TPS. That's why I ask.
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05-01-2011, 05:22 AM #6
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05-01-2011, 07:04 AM #7
I tried researching it, but couldn't find any tps info on it... Pretty Wild looking TB though !
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05-01-2011, 07:44 AM #8
- Join Date
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- Alabama
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Black/ Silver- 98 TA WS6/ 01 C5 Corvette
The reason I am asking this is I just did a intake and TB swap and the car won't stay started. It revs up to 5k and shuts off and throws the code for the tps. The directions I got with the TB says you need to put the key in the on position and check the voltage and it should be 0.5 volts at idle and 4.5 at WOT. Then it says to check the voltage and adjust it with the adjustment screw and recheck it. I need a new Tps now since the other one fell apart.
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05-01-2011, 07:56 AM #9
Using HP Tuners ? You can scan with the key on, to test the TPS ( 0% - 100% )
Of coarse when you find another one...
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05-01-2011, 08:09 AM #10
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05-01-2011, 08:28 AM #11
You will need a tune once you get it working. The air flow will differ, causing the ve tables to be inaccurate. Guess you would be close to Frost.
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05-01-2011, 09:13 AM #12
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05-01-2011, 05:22 PM #13
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- Apr 2008
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1999 Formula WS6 M6-sold- 2001 Silverado Z71
There might be a screw on the idle bump stop that the throttle arm rests on. screw that in and out while monitoring the TPS volts
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05-01-2011, 05:29 PM #14
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05-01-2011, 05:34 PM #15
- Join Date
- Apr 2008
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- Madison, WI
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1999 Formula WS6 M6-sold- 2001 Silverado Z71
Yes, do not start the engine while doing this. Just turn the key on (engine off). Then you can measure the voltage.
Here's a thread that might help you some. How do I check my TPS?
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05-01-2011, 06:33 PM #16
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05-02-2011, 06:15 PM #17
- Join Date
- Apr 2008
- Location
- Madison, WI
- Posts
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1999 Formula WS6 M6-sold- 2001 Silverado Z71
I think LS2 tb are drive by wire. Your "LS2" TB looks like its been converted for cable drive.
But I think all the TPS's are the same so just I would think your LS1 sensor should fit. If not, call pro products and ask them which one to get
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05-02-2011, 06:21 PM #18
- Join Date
- Apr 2008
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- Madison, WI
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1999 Formula WS6 M6-sold- 2001 Silverado Z71
To measure the voltage, you need to backprobe the connector while its connected to the TPS. I use a T-pin for this. You can get T-pins in the sewing sections of stores like Walmart or Target maybe. Or any sewing store. Here's a pic of a T-pin and how to back probe a connector..
Push the pin in until it contacts the terminal inside the connector.
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05-02-2011, 08:38 PM #19
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05-03-2011, 04:21 AM #20
Positive to the yellow,negative to any good ground or back probe the other side.
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