Throttle Position Sensor Questions

[Mantonite]

There are smatterings of TPS data here and there, but it's hard to search for (TPS is not searchable). I apologize if this has been covered, but I couldn't find it.

 

Can anyone give me specs on what the resistance should be closed and open (on the variable pins)? I checked mine tonight and it seems to be smooth, with only a few hiccups (that may well change when warmed up... it was stone cold when I tested). How sensitive is the car to these hiccups?

 

I have read some of the other threads and it seems that some have solved the problem that I'm having with a new (used) TPS... I'm hoping it will fix my bogginess and perhaps give me a few extra MPG to boot. Let me know what y'all think. If nothing else, post other links that are TPS relevant and this can be just a post for the search engine.

 

Throttle Position Sensor

Throttle Position Sensor

Throttle Position Sensor

 

there... it'll show up for sure now.

[hooziewhatsit]

In this thread is a PDF to the guide that shows how to test the resistances in it.

http://www.ultimatesubaru.org/forum/showthread.php?t=24997&highlight=throttle+position+sensor

 

I recently replaced my TPS, and got rid of some pretty bad surging I was getting under light throttle while cold. If you have AC, you may to file away a bit of the the compressor to give yourself room to get the TPS off. When you look at it you'll see what I mean.

 

oh yea, and for the shorter than 3 letter search terms, add a * (wildcard) to the end of the term. It will allow you to at least get some hits, ie, TPS*

[Mantonite]

Thanks for the info. I had seen all of that before, but the "should go to zero at full throttle" is what I think mine isn't doing. I'm getting down to something like 1000kOhm, but not zero. I think I can get a new used one for about $20 plus shipping, so I think I'll give it a try.

 

Thanks for the reply.

[Cougar]

If you can get access to the contacts you could try spraying some WD-40 on the contacts to clean them and then check the resistance. Some people have had success with that.

[rallyruss]

if you can see hickups using an ohm metter then its bad. yes the car does see the hickups too and more than your ohm metter can show. the sample rate on most DVOMs is slower than the cars ECM.

[Mantonite]

Well, I have a new (used) one on the way. I'll let you all know how it works out for me.

 

I don't know what I would do with myself if the Loyale actually had a little power... and just in time for snow (it snowed last night actually).

 

Thanks for the info.