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Author Question: Which wire on a typical TP sensor should be back-probed to check the voltage signal to the PCM? ... (Read 43 times)

Jkov05

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on: Jun 23, 2018
Which wire on a typical TP sensor should be back-probed to check the voltage signal to the PCM?
 
  A) Signal wire
  B) 5-volt reference (Vref)
  C) Ground wire
  D) Meter should be connected between 5-volt reference and ground.

Question 2

A low O2S voltage could be due to ________.
 
  A) A rich exhaust B) A lean exhaust
  C) A defective spark plug wire D) Both B and C


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Beatricemm

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Reply #1 on: Jun 23, 2018
Answer to Question 1

A

Answer to Question 2

D


Jkov05

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Reply 2 on: Jun 23, 2018
Gracias!

jomama

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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