Emissions Archives - Page 2 of 3 - Tomorrows Technician
Diesel Exhaust Fluid (DEF) Changes

Modern diesel exhaust systems are complex and they include multiple sub systems to keep exhaust clean.

Pennzoil Unveils Portfolio Of Carbon Neutral Lubricants

Shell aims to be a net-zero emissions energy business by 2050 or sooner, in step with society and with its customers.

Oxygen Sensor Questions Answered

If an O2 sensor is not reading properly or is borderline, it should be replaced regardless of its age or mileage.

Tips From A Tech: Getting Ready with Readiness Monitors

Setting readiness monitors can be a frustrating task. Here’s how to ensure an accurate repair.

Emissions 101: A Basic Understanding Of How Catalytic Converters Operate

When servicing catalytic converters, it’s important to have a basic understanding of how they operate.

Oxygen Sensor And Catalyst Efficiency

The catalyst efficiency monitor verifies that the catalytic converter is operating at a high enough efficiency rating to keep exhaust emissions within predetermined values.

More Than Codes: Finding The Story Behind An Emission Code

If you want to diagnose a emissions-related problem, confirm the fix, and know when the car leaves the shop the job will be completed, this article is for you.

Kia Tech Tip: New Part Cures EVAP Leaks

Working on a Kia Rio? There’s a new part that cures EVAP leaks on 2012-2017 Rio models.

Oxygen Sensor And Catalyst Efficiency

The catalyst efficiency monitor verifies the catalytic converter is operating at a high enough efficiency rating to keep exhaust emissions within the predetermined values. The PCM compares the signals from the upstream and downstream oxygen sensors to determine the state of the converter. These “tests” are called the readiness monitors.

Evaporative Emissions Diagnostics: Start With The Basics When You Have Multiple Codes For The Same System

Recently, the shop had a 2002 Lexus SC 430 in for a check engine light with evap codes P0440 – evap malfunction; P0441 – evap incorrect purge flow; and P0446 – evap vent control malfunction.

VIDEO: The EVAP System: Development And Emissions Standards

Andrew Markel discusses the development of the EVAP system as emissions standards changed over time.

VIDEO: Electronic Thermostats

Andrew Markel explains how electronic thermostats can increase efficiency and decrease emissions through controlled heating.