Info/instructions for Wells TPS201 TPS ** PICTURES! - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-25-2008, 01:53 AM   #1
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Default Info/instructions for Wells TPS201 TPS ** PICTURES!

Well I just sucessfuly adapted the duralast tps201 (autozone) onto my 1.6l manual throttle body. Now for some tips.

1) When you grind off one of the teeth in the tps to make it fit, make sure you grind off the right one! I almost messed it up real bad haha.

2) When you take the manual tps off, when disassembling it, the metal busing that the plastic switcher rides on is pressed into the plate, a couple of sockets and a vice works very well here.

3) Make sure you drill the holes for bolting the TPS onto the plate perfect or else everything will be misaligned when you try to put it on!

4) if you are going to use nuts and bolts to hold the tps on, the nuts will almost fit into the groove in the throttle body. You will need one of those hole enlargener bits for a dremal, and use it to enlarge the groove in the throttlebody.

Then the plate with the TPS will bolt onto the throttle body, and you can notch the plastic cover to allow the wires to come out, put the cover on, and it looks stock!

For the wires I cut the stock plug off, and soldered the:

TPS CAR FUNCTION

RED to WHITE AND GREEN (that should be right) 5V+
BLACK to BLACK (the middle wire on the 3 wire connector) GROUND
GREEN to Ran my own wire to the MS OUTPUT

Works perfect, go to tools in megatune and set WOT and no throttle, save, restart the MS, and enjoy a nice idle.


And yes, now my idle is so smooth, no matter how I try to upset it

Here are the pictures.

Pic 1 shows how it looks somewhat stock, and has the cover for protection

Pic 2 shows how its screwed in, on the throttle body behind those screws is where there is the lip that has to be enlarged.

Pic 3 is a farther away shot, you can see my wireing.

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Last edited by cardriverx; 07-27-2008 at 05:40 PM.
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Old 07-25-2008, 01:59 AM   #2
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Did your car have problems in the past w/ out a VTPS? A/C? Lightened flywheel? Bogging?
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Old 07-25-2008, 02:07 AM   #3
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I have A/C, 8 lb flywheel.

Before the idle would bog sometimes but mostly it would go up then down then up then down then up then...... between 1200 and 400 rpm.

The TPS fixed it perfect.
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Old 07-25-2008, 02:23 AM   #4
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Oh and I paid $27 total =)
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Old 07-25-2008, 02:27 AM   #5
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not really but would like some pics if you have any
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Old 07-25-2008, 02:27 AM   #6
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Hmm good to hear. No pics?
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Old 07-25-2008, 01:09 PM   #7
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Ill snap a few when I get back from ocean city =)
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Old 07-25-2008, 01:29 PM   #8
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i have one to adapt. havent gotten around to it. It came off a working one, that was laying around in a shop. I couldn't remove the two 7mm screws that held the plate in place so i only have the tps, but it shouldn't be too difficult to do on mine.
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Old 07-25-2008, 02:46 PM   #9
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Quote:
Originally Posted by cardriverx View Post
...Before the idle would bog sometimes but mostly it would go up then down then up then down then up then...... between 1200 and 400 rpm....
I definitely think that's significant of a worn 1.6 manual tps. Mine is driving me crazy right now, proving nearly impossible to adjust so that the signals are positioned properly to the pedal input. Once I get it right so it doesn't show idle up to 2200rpm or never show idle (and do the rhythmic bouncing idle), it will eventually break again and quit showing idle. If I floor the pedal (car off) and the start it back up it will work... for a bit. I've cleaned it and still no better. I think it's just mechanical piece of crap at 18 years of age.
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Old 07-25-2008, 06:59 PM   #10
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Quote:
Originally Posted by m2cupcar View Post
I definitely think that's significant of a worn 1.6 manual tps. Mine is driving me crazy right now, proving nearly impossible to adjust so that the signals are positioned properly to the pedal input. Once I get it right so it doesn't show idle up to 2200rpm or never show idle (and do the rhythmic bouncing idle), it will eventually break again and quit showing idle. If I floor the pedal (car off) and the start it back up it will work... for a bit. I've cleaned it and still no better. I think it's just mechanical piece of crap at 18 years of age.

The manual TPS is just a switch, Ground and 12V+ are connected at idle, nothing is at any throttle, and at full throttle Ground and 5V+ are connected

Those are the 3 wires off the cars wireing harness, 12V, 5V, and ground. I used the 5V and ground when I adapted the variable TPS.
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Old 07-27-2008, 05:41 PM   #11
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Pictures
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Old 07-27-2008, 10:43 PM   #12
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Oh and for some reason now my launch control works, without the tps it dident. I have no clue why haha.
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Old 07-27-2008, 11:03 PM   #13
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Quote:
Originally Posted by cardriverx View Post
Oh and for some reason now my launch control works, without the tps it dident. I have no clue why haha.
I know mr cramer says it can work without it, but this seemed to be my case as well.
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Old 08-07-2008, 09:39 AM   #14
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I just wanted to share my pictures. Not sure what model TPS is it as it was pocketed. No markings on it.

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I also wanted to share Ben's original writeup, for those who don't know:

https://www.miataturbo.net/forum/sho...97&postcount=4
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Old 08-08-2008, 01:08 AM   #15
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looks good!
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Old 08-08-2008, 09:03 AM   #16
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works great too anyone with a 1.6L and MS should be doing this.
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Old 08-08-2008, 03:01 PM   #17
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Quote:
Originally Posted by Braineack View Post
works great too anyone with a 1.6L and MS should be doing this.
word
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Old 08-11-2008, 04:55 PM   #18
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Damn- that's a good fit, too bad you don't know what it's from. And no key work either.
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Old 08-12-2008, 10:05 AM   #19
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I'm fairly positive Wells TPS4164 would work with the stock connector...



it would still sit high on the shaft, like mine, but it's possible all you'd have to do it attach it straight to the throttle body, just like the auto tps....not bad. worse case, you attach it like mine above and cut off the stock connector.

Still looking for the one I have.



hmm TPS452 looks like it has potential....would point in the right direction (down slightly)....probably bolts right up. Would probably want to call and verify it's a real linear tps, not a switch.



keyway looks correct, hard to see....
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Old 08-12-2008, 11:13 AM   #20
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Nice writeup! How did you figure this out?








(I'm such a googlebating***)
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