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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

While discussing ECT sensor diagnosis: Technician A says that a defective ECT sensor may cause hard cold engine starting. Technician B says that a defective ECT sensor may cause improper operation of emission control devices. Who is correct?

  1. Technician A

  • Technician B
  • Both A and B
  • Neither A nor B
  • To determine

    The technician with correct approach.

    Explanation

    Given information:

    Technician A says that a defective ECT sensor may cause hard cold engine starting.

    Technician B says that a defective ECT sensor may cause improper operation of emission control devices.

    ECT sensor helps in knowing the temperature of an engine. It is done when PCM measures the ECT sensors. It is a thermistor used for regulating the various functions of an engine. It helps in maintaining and controlling the fuel injection, ignition timing, and the variable valve timing. ECT sensor is present in the passage of engine coolant...

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