Auto Diagnosis & Training Software

Emission Training, Diagnosis & Repair Software

Emission Guide software main program screen
This is a screen capture of the Emission Guide Program Main Menu

Emissions Guide

A Quick Reference Guide to Emission Controls, Diagnosis and Emissions Testing.


EMISSION GUIDE is a "must" for anyone who wants to learn about servicing today's high tech engine management systems and emission control systems.
The content is written for 1996 and newer North American vehicles with OBD II.

Topics covered include:

* Basic emissions overview & pollutants
* Causes of hydrocarbon (HC) emissions
* Causes of carbon monoxide (CO) emissions
* Causes of oxides of nitrogen (NOX) emissions
* Exhaust gas analysis (basics of 4-gas & 5-gas analysis)
* Emissions testing (I/M 240, ASM, OBD II plug-in & Others)
* I/M 240 (what it is, what has replaced it in most states)
* Emissions diagnosis (tips on how to diagnose/repair many kinds of emission problems)
* Emissions troubleshooting checks (symptom/cause reference charts)
* OBD II (basic overview of what it is, what it does)
* EGR system
* PCV system
* Evaporative emissions control system
* Catalytic converter & air injection
* Oxygen sensors


Sample Screens from the EMISSION GUIDE program (showing popup images over system description & diagnostic text windows):

air fuel ratio screen

hydraocarbon screen

NOX screen

i/m 240 screen

PCV screen

diagnostic tips screen


EMISSION GUIDE can also be used as a study aid to help you prepare for the ASE Engine Performance Test and the L1 Advanced Engine Performance Test.

System Requirements:

Program runs on ANY version of Windows (XP, 7, 10 or 11).
NOTE: This software will NOT run on an Applie or Mac computer, or an iphone or Android smartphone or tablet.


PRICE: $14.95 for download

Please Note: No Refunds on Software


How to Order Emission Guide:


Click BUY NOW Button Below if you wish to buy Emission Guide now for $14.95 and receive it as a DOWNLOAD.

When payment is received, you will be emailed a DOWNLOAD LINK for the program.

You can then download the setup file to your computer, then click the setup file to install the software.
NOTE: Orders are usually sent same day except holidays and weekends.

Click this BUY NOW button to purchase download



If you have any download questions or issues, see our Tech Support page for help.



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Get All The Programs in one EVERYTHING package

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