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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Found the cause of my code 52!

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Old 03-22-2013, 03:02 AM
  #41  
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The lines that may of been crossed would of been ones you have to remove to get the air chamber off I believe.

Are you using clips on your meter to adjust the TPS, it makes it alot easier of you don't have to hold five(?) different things at once. Did you swap out the screws for allen bolts already, that simplifies it some more, the sizes are listed on 4crawler's site.

Going to assume it's just the normal PITA tps adjustment and not a faulty/dirty sensor.

It should be closed at .5(whatevers) and open at .8(whatevers) so split the difference and adjust it to the verge of open/closed with a .65-.7mm tighten it down and check it's closed at .5 and open at .8 and yer done.
Old 03-22-2013, 09:23 PM
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Ill give it a shot. Yeah I am using the alligator clips I saw that tip yesterday haha, wish I had seen it earlier! I will definitely switch the screws out. I tried swapping in another afm but no change. Still no hesitates, no power stumbling, etc. And I will recheck the lines for near the air chamber just to be extra safe. I really appreciate the help so far!
Old 03-25-2013, 07:29 PM
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I'm not quite sure what you mean by open and closed?
Old 03-25-2013, 07:59 PM
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Originally Posted by jbone
I'm not quite sure what you mean by open and closed?
Originally Posted by http://www.seattlerobotics.org/guide/electronics.html
A switch is a device that allows you to stop the flow of current entirely. These are usually mechanical devices that seperate two bits of metal. When the metal doesn't touch, current doesn't flow. When the metal touches, is called a closed circuit. When the metal doesn't touch, is called an open circuit. (closed = ON, open = OFF)
Guess they don't teach this stuff in science classes anymore
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