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Power FC Do I have a TPS problem??

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Old 05-27-03 | 03:01 AM
  #1  
JSpecRZ's Avatar
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NA2 Pilot
 
Joined: Feb 2001
Posts: 712
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From: NY
Do I have a TPS problem??

I was informed that my TPS was out of wack!! can someone confirm...

I got these readings w/ the key turned to ACC and the motor off...

I'm trying to figure this out.. but here is what the service manual says..

3F Throttle Sensor (narrow range)
- Accelerator pedal released - 0.75 - 1.25
- Accelerator pedal fully depressed - 4.8 - 5.0
*Ignition switch ON
*After warm-up

3G Throttle Sensor (full range)
- Accelerator pedal released - 0.1 - 0.7
- Accelerator pedal fully depressed - 4.2 - 4.6
*Ignition switch ON
*After warm-up


Last edited by JSpecRZ; 05-27-03 at 03:05 AM.
Old 05-27-03 | 08:52 PM
  #2  
skotx's Avatar
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Joined: Sep 2001
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From: Louisville, KY
Judging from your water temp voltage, your engine is cold. The numbers in the manual pertain to a warmed up engine (so the fast idle cam separates). You get an F for this test!!! Do the test with the car warmed up (but off), and test both closed and wide-open throttle.
Old 05-28-03 | 10:25 PM
  #3  
cewrx7r1's Avatar
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From: In A Disfunctional World
A cold engine (fast cam idle) only affects the low end of the scale, not the high end. The two voltages read as if the peadl is to the metal!
He did not mention what the pedal position is.

Anyway, he still fails the test! He has the low and high readings posted. All he has to do is warm up the engine and record the low and high voltages. Of course a very experineced person like me, also watches how the voltages change from low to high. They should do it smoothly with no erratic behavior or loss of voltage.
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