AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
7th Edition
ISBN: 9780357096789
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 25, Problem 1MC

Which of the following statements about zirconium oxygen sensors is not true?

  1. The normal operating range for an O2S is between 0 and 1 volt.

  • If the sensors voltage toggles between 0 volts and 500 millivolts, it is operating normally.
  • The voltage signal from an upstream O2S should have seven cross counts within 5 seconds with the engine running without a load at 2,500 rpm.
  • Engine control systems monitor the activity of the O2S and store a code when the sensors output is not within the desired range.
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