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Old 04-05-2020, 05:13 PM #46
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Quote:
Originally Posted by LittleCaesar View Post
That IAC really got clean. I suspect that is the problem but will be curious if that sound comes back.

You will need a handheld vacuum pump along with a dvm to test the TPS. The pumps are usually $20~$35 at the auto parts stores:

HELP NEEDED...checking TPS on 3.4 V6. - YotaTech Forums
That diagram the TPS has 4 terminals. The one I have has 3 terminals. Am I crazy to say that I haven't found a pinout or diagram for the one I have.
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Old 04-05-2020, 05:43 PM #47
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So after cleaning the IAC and reinstalling everything it now stall even worse. Doesn't surprise me but here is another video. It now will only run for a min and stall.
This now happens everytime I start it up.

https://www.youtube.com/watch?v=2Zls...ature=youtu.be
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Old 04-05-2020, 05:46 PM #48
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Lets talk tests



Here is what the drawing shows. Live data is better.

1-3 and 2-3 should equal what 1-2 is. 3 is the wiper and itís resistance to pin 1 and 2 will change with position.

I have an older 3120 I upgraded with ABS. I love mine. It was worth the 100 dollars I spent on it.


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Old 04-05-2020, 05:49 PM #49
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Quote:
Originally Posted by sweet88gt View Post
So after cleaning the IAC and reinstalling everything it now stall even worse. Doesn't surprise me but here is another video. It now will only run for a min and stall.
This now happens everytime I start it up.

https://www.youtube.com/watch?v=2Zls...ature=youtu.be

It may need to relearn itís idle. Let it warm up giving it partial throttle and then slowly back off the throttle. Or give it a some time to relearn. It may take a few drive cycles.


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Old 04-05-2020, 05:54 PM #50
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According to my parts reference the TPS 89452-35020 fits all 5vz 4runners from 8/96-8/2000, until when drive by wire was introduced. How many pins does the TPS connect have?
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Old 04-05-2020, 05:56 PM #51
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Quote:
Originally Posted by sweet88gt View Post
So after cleaning the IAC and reinstalling everything it now stall even worse. Doesn't surprise me but here is another video. It now will only run for a min and stall.
This now happens everytime I start it up.

https://www.youtube.com/watch?v=2Zls...ature=youtu.be

Unplug the tps. And turn the truck on or have the truck on and then unplug the tps
The truck doesnít need it to run or idle
But if your tps is bad telling the ecu that your flooring it and your at idle itís going to flood itself and turn off.
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Old 04-05-2020, 05:58 PM #52
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Quote:
Originally Posted by LittleCaesar View Post
According to my parts reference the TPS 89452-35020 fits all 5vz 4runners from 8/96-8/2000, until when drive by wire was introduced. How many pins does the TPS connect have?
It has 3 pins
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Old 04-05-2020, 05:59 PM #53
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Quote:
Originally Posted by MarkamisPrime View Post
Unplug the tps. And turn the truck on or have the truck on and then unplug the tps
The truck doesnít need it to run or idle
But if your tps is bad telling the ecu that your flooring it and your at idle itís going to flood itself and turn off.
Im going to try to let it run and see what happens first then I will try your idea.
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Old 04-05-2020, 06:11 PM #54
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Lets talk tests

Quote:
Originally Posted by sweet88gt View Post
Im going to try to let it run and see what happens first then I will try your idea.

Itís not an idea
If it is your tps that will tell you if itís bad or not.
Same logic as having a misfire and swapping coil packs see if the problem follows the coil pack. Then you know that one is bad, save you the trouble of having to ohm things out or back probe.
Same thing happened to my truck
And I did all the same exact things you did
I even went as far as replacing the iac and the maf just cause I had a parts truck.
Not until I look at my live stream data I could see my tps voltage was all over the place. I unplugged it turned the truck on truck was perfect
Swapped the sensor with one off the parts truck itís been fine for a year now
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Last edited by MarkamisPrime; 04-05-2020 at 06:17 PM.
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Old 04-05-2020, 06:14 PM #55
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My bad. This is a FSM for a 1996 t100 but should be the same for you:

The page is di-166, or 430 in the PDF:
http://htftp.offroadsz.com/marinhake...T100%20FSM.pdf
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Old 04-05-2020, 07:41 PM #56
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Tomorrow I can ohm our a spare TPS I have if you like.


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Old 04-05-2020, 07:59 PM #57
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Quote:
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Tomorrow I can ohm our a spare TPS I have if you like.


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If possible that would help
Thanks
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Old 04-05-2020, 08:01 PM #58
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Quote:
Originally Posted by MarkamisPrime View Post
Itís not an idea
If it is your tps that will tell you if itís bad or not.
Same logic as having a misfire and swapping coil packs see if the problem follows the coil pack. Then you know that one is bad, save you the trouble of having to ohm things out or back probe.
Same thing happened to my truck
And I did all the same exact things you did
I even went as far as replacing the iac and the maf just cause I had a parts truck.
Not until I look at my live stream data I could see my tps voltage was all over the place. I unplugged it turned the truck on truck was perfect
Swapped the sensor with one off the parts truck itís been fine for a year now
So I let the truck warm up and it finally learned to idle normally and wouldn't die(for the 5-10min I let it run).
I unplugged the TPS and it stumbled and ran like normal just threw a code.
I plugged it back in and it stumbled and ran the same.
Both items done at idle in driveway.
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Old 04-05-2020, 08:10 PM #59
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See what happens putting it in gear with foot on the brake. It may need to relearn that also.


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Old 04-05-2020, 08:28 PM #60
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Quote:
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See what happens putting it in gear with foot on the brake. It may need to relearn that also.


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Will do
Going to try to get it out on the road and test drive tomorrow
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