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Old 04-05-2009, 06:09 PM   #1
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Default Throttle position sensor problem

My tps shorted out today and now my car dies every time I take it out of gear. I did some research but couldn't find anything specific to an S2000 but I found that on an RSX you have to replace the whole throttle body and someone with an accord just replaced the sensor. Do I need to replace the whole throttle body or can I just replace the sensor?
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Old 04-05-2009, 06:18 PM   #2
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Default Re: Throttle position sensor problem

the sensor get a new one and call it a day
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Old 04-05-2009, 06:28 PM   #3
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Default Re: Throttle position sensor problem

Thanks. That's the answer I was hoping for.
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Old 04-06-2009, 05:03 AM   #4
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Default Re: Throttle position sensor problem

teenage mutant ninja turtles are rad.
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Old 04-06-2009, 06:32 AM   #5
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Default Re: Throttle position sensor problem

Really How did you come to this conclusion what were the symptoms and how did it happen? just trying to help.
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Old 04-06-2009, 07:01 AM   #6
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Default Re: Throttle position sensor problem

You cannot buy just the sensor... You can however use an civic/integra omni power sensor.

The throttle position sensor (TPS) is on the left side of the throttle body. The TPS is a potentiometer that provides a .30 to 4.5 volt working output range to tell the ECM the throttle butterfly position. To check your TPS, connect a voltmeter or multimeter (DC volts setting) and measure the voltage across the red/black wire and green/yellow wire. The TPS must be plugged in, and the ignition is on. Remove some insulation from the red/black and green/yellow wires. The throttle is to be left in the "idle" position, so don't pull on the throttle cable. Turn the ignition on (but car engine not running) and touch the black (negative) probe of your meter to the green/yellow wire, while also touching the red probe of your meter to the red/black wire. The reading should be in the vicinity of .30 volts. Now do the same thing, except rotate the throttle wide open - the reading should be in the vicinity of 4.5 volts.

Adjusting or replacing the TPS is more involved but can save you a wad of cash. The TPS is mounted with (2) diabolical m4 tamper-proof 5 point screws. An easy way to remove the screws is to dremel grind slots in them so that a screwdriver can be used. You will need to remove the throttle body to do this. I replaced my screws with m4 socket head screws. After you replace the screws you can adjust your TPS by loosening it and then rotating it while you are watching the idle voltage level as described above.

To replace the stock TPS with an OmniPort, you will need to buzz the flanges off the OmniPort to allow it to rotate CCW enough to adjust to .30 volts at idle. Use some thick washers to clamp the TPS in place after you get it adjusted. Mine has not moved after many miles. You could also use servo clamps to hold the TPS.
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Old 04-06-2009, 07:06 AM   #7
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Default Re: Throttle position sensor problem

You don't really have to buzz off the entire flange either...
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Old 04-06-2009, 12:48 PM   #8
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Default Re: Throttle position sensor problem

Thanks. That is way helpful. I came to the conclusion that it was the tps because I was driving it yesterday and I smelled something electrical burning. I quickly pulled over but when I took it out of gear the RPM's just slowly fell to zero and the engine died and the check engine light came on. Luckily there was an autozone a block a way so I pulled it in and they checked the engine codes and it said TPS. I haven't had the chance to look at it today. Just been at work all day but I'm going to check it out tonight.
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Old 04-12-2009, 12:42 AM   #9
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Default Re: Throttle position sensor problem

why do you guys set your tps to 0.30v? it suppose to be 0.40-0.45 by any honda maunual,
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Old 04-13-2009, 06:51 AM   #10
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Default Re: Throttle position sensor problem

I'm going by the AP1 Helms...
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Old 02-22-2012, 10:12 AM   #11
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Default Re: Throttle position sensor problem

so why use the Omniport?
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Old 02-22-2012, 04:57 PM   #12
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Default Re: Throttle position sensor problem

Quote:
Originally Posted by HatchGirl89 View Post
so why use the Omniport?
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Old 02-22-2012, 10:08 PM   #13
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Default Re: Throttle position sensor problem

I have heard nothing but bad things about those omnipower TPS'. I would just find a used throttle body for $60-80 bucks and put that in instead.
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