# While discussing engine misfire diagnosis: Technician A says that a defective EI coil may cause cylinder misfiring. Technician B says that a shorted CKP could cause a misfire. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor B

### Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

### Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

#### Solutions

Chapter
Section
Chapter 27, Problem 10ASRQ
Textbook Problem

## While discussing engine misfire diagnosis: Technician A says that a defective EI coil may cause cylinder misfiring. Technician B says that a shorted CKP could cause a misfire. Who is correct?a. Technician Ab. Technician Bc. Both A and Bd. Neither A nor B

Expert Solution
To determine

The technician with correct approach.

### Explanation of Solution

Given information:

Technician A says that a defective EI coil may cause cylinder misfiring. Technician B says that a shorted CKP could cause a misfire.

A crankshaft sensor is attached to the crankshaft pulley on the back side of the crankshaft. It is used to pass a signal to the PCM which controls the ignition of an engine. This sensor helps in providing some basic timing for the signal. If there is a faulty sensor present, the signal will not be received by the PCM...

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