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Author: Subject: how to test a 4efte TPS sensor
ugabuga
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[*] posted on 8-6-2005 at 07:26 PM
how to test a 4efte TPS sensor


hey dudes. ok I was testing my TPS sensor just now. Here is the results:

(a)
(b)
(c)

This above is a representation of the way the TPS looks like when on the throttle body. (a) is the top pin, (c) is the bottom pin.

At fully closed throttle i get these resistance readings:

ab = infinity
bc = 0 ohm
ac = infinity

at fully open the readings are:

ab = 0
bc = infinity
ac = infinity

at any intermediate state:

ab = infinity
bc = infinity
ac = infinity

For some reason I think this is not right! what do you guys think?!

Also i unplugged it and started the car - it ran just as it runs usually - a bit rough. i reconnected it while the car was running - NO DIFFERENCE.

I have the instructions on how to test a 3e/5e TPS but this one has 3 pins not 4. Anyway at some point I should have gotten other readings except 0 and infinity.

GT_REVVA, anyone else, please tell me how exactly it should be tested. I will test again but I believe i have exhausted all possibilities.

also is the 4efe TPS the same as the 4efte? if so I may be able to get a cheap one. What's the going price for a 4efte TPS sensor anyway?




2004 Mazda Rx-8 (6 speed) - stock
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RealityEDS
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[*] posted on 8-6-2005 at 07:39 PM


I freaked out about my TPS not working, but what I do know is the TPS on the 4e only reads in binary, as in 0 or 1. Wide open throttle yields a 1.

As for how the motor can be tuned accurately from this, I left it up to the guy that installed my Greddy, but he bitched about it too. -peace-

[Edited on 9-6-2005 by RealityEDS]
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[*] posted on 8-6-2005 at 08:06 PM


wft?!? that's insane!
that's the craziest TPS i've ever heard of!

so aparently it's working ok? huh?!




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[*] posted on 8-6-2005 at 08:14 PM


GT_REVVA helped on that one. Talk to him for specifics, but I posted the exact question while we were attempting to tune it months back.

I don't remember how, but the tuner somehow compensated with the Greddy by basing it off the map sensor or something, honestly I have no idea on that part.

As with everything, talk with GT_ about it.

[Edited on 9-6-2005 by RealityEDS]
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[*] posted on 8-6-2005 at 08:19 PM


yeah I u2ued him but he seems to be missing in action for a few days now :(



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[*] posted on 8-6-2005 at 10:22 PM


he will be gone till friday...personal matters




5efhe .............................................Denso IRIDIUM PLUGS
GReddy E-MANAGE (BYP).................3" MANDREL BENT EXHAUST
no muffler they are for pussies.........GReddy FULL AUTO TIMER
DISABLED SPEED LIMITER...............FUEL CUT DEFENDER
COLORMATCHED BYP HARNESS........full coilovers
TiAl BOV.........................................TiAl wastegate
AVC-R boost controller.....................MSD digital 6 ignition
FRONT SWAYBAR.............................FRONT STRUTBAR
v-band flanged downpip....................CUSTOM INTAKE SETUP
GAUGES(BOOST,TACH)....................STARION FMIC
TRD plug wires.................................oh and i fucked your mom
===========================
catch you on the flipside,
Dave

this is your world im just living in it trying not to beat you to death
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