Stories from the Road 2: An Automotive Case Studies Series

Stories from the Road 2

(A Narrative About Modern Automotive Diagnostics

An Automotive Case Studies Series

By Mandy Concepcion

Copyright © 2006, 2011, 2023 By Mandy Concepcion

This book is copyrighted under Federal Law to prevent the unauthorized use or copying of its contents. Under copyright law, no part of this work can be reproduced, copied or transmitted in any way or form without the written permission of its author, Mandy Concepcion.

ALL CHARTS, PHOTOS, and signal waveform captures were taken from the author’s file library. This book was written without the sponsoring of any one particular company or organization. No endorsements are made or implied. Any reference to a company or organization is made purely for sake of information.

The information, schematics diagrams, documentation, and other material in this book are provided as is, without warranty of any kind. No warranty can be made to the testing procedures contained in this book for accuracy or completeness. In no event shall the publisher or author be liable for direct, indirect, incidental, or consequential damages in connection with, or arising out of the performance or other use of the information or materials contained in this book. The acceptance of this manual is conditional on the acceptance of this disclaimer.

Preface

THIS BOOK SERIES, Stories from the Road - Automotive Case Studies is a real work in action about the intricacies of modern automotive diagnostics. It is based on actual real life situations. From this book you may extract real-life lessons, which will help you as an automotive aficionado, DIY mechanic and professional technician. The work is divided into narrated stories representing real-life applications of diagnostic technology, equipment usage, repair techniques and knowledge based information. Here, you'll get input on how to use the automotive scan-tool, OBD-2 ECM/PCM readers, oscilloscope, graphing multi-meter, signal tone injector and many other diagnostic tools.

You'll also get deep insights on testing all kinds of sensors and actuators, such as injectors, solenoids, transmission components, motors, fuel pumps, CAM and crank sensors, TPS, MAF, Knock and pretty much every component seen today. All the content is presented on a narrated, story like format to make the knowledge easy and fun to comprehend. With that in mind, enjoy your readings.

Table of Contents

* - CHEVY'S TWO PEAS in a Pod

(A story about what could happen when the ignition or the valve timing goes hay-wire. This story is real and one for the books.)

* - Chevy's Identity Mismatch

(Can you imagine a 5.0L engine that thinks it's a 4