Code P0420: The Dreaded Diagnostics of Catalytic Converter Replacement and Oxygen Sensors
You just pulled a P0420 from a vehicle indicating the catalyst system efficiency for one of the banks is below threshold. What is next? Could it be just the oxygen sensor? Or, could it be the catalytic converter? These articles will help you understand why the OBDII code was set and what further test must be performed to determine the root of the problem like a coolant leak, oil blow by or other problems with the engine.
How-to Complete Emissions Monitors Faster
This video will focus on how a product like CAT COMPLETE can improve the chances of completing the monitors faster. This video is sponsored by Rislone.
Rislone CAT Complete Restores Catalytic Converter Performance
Rislone says its Cat Complete clears P0420 diagnostic codes and improves catalytic converter efficiency.
Tech Tip: Help Your Customers Pass Emissions Testing
Simple steps like cleaning the system may be all it takes.
Virtual AAPEX Experience Guide includes Lineup of New Tools, Technical Training and More
This Digital Guide provides details, training schedules and highlights of new tools, supplies, etc. of the Virtual AAPEX Experience.
Converter Codes: How Long Will the Light Stay Out?
Any time you’re troubleshooting an OBDII problem, use a scan tool that can tell you if all the monitor readiness flags have been set. If one or more monitors are not ready, the vehicle will have to be driven under varying speeds and loads until all the monitors are set. Then, and only then, will you get an accurate diagnosis from OBDII.
Reflashing & Reprogramming Tools
Contributing Editor Andrew Markel warns “you cannot ignore reflashing any longer.” He provides seven tools you need for reflashing as well as eight problems that can be resolved by reflashing.
Solving Mazda Driveability Complaints
This article will look at Mazda driveability issues as well as some of the more common ailments that will bring a car into your bay with a check engine lamp complaint. The most common failure we see on Mazda models is a torn air intake hose between the airflow sensor and the throttle body. The symptoms that result from this failure are hard to miss, but fool the customer into mistakenly thinking that the transmission is the problem.
Tooling Up For The Diagnostic Process
Automotive trainer John Forro advocates knowing your tooling needs and developing a strong relationship with those tools. Knowing a tool’s capabilities and limitations will help you advance your diagnostic process.
Mazda Feature: Driveability And Check Engine Light Diagnostics
Import Specialist Bob Dowie takes a look at some of the more common ailments that will bring your Mazda customers into your service bay with a check engine light complaint, as he covers common DTCs, stalling and ignition issues and new technology.