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Catalytic Converter Tech Feature: Diagnosing P0420 or P0430 DTCs
February 17, 2010
Although modern OBD II technology has simplified catalytic converter diagnostics, it's still important to understand the basics of catalytic converter operation when dealing with a P0420 or P0430 DTC. Gary Goms explores the basics of catalytic converter chemistry and summarizes how common converter failures can be diagnosed. read more
 
Tech Feature: Making $ (Money) with Mode $06
February 15, 2010
Mode $06 is one of the nine diagnostic modes that is part of the OBD II on-board diagnostics system on all 1996 and newer vehicles. read more
 
Kia Preventive Maintenance: Chassis, Engine & Brake Repairs
February 10, 2010
More Kias on the road means more repair and maintenance opportunities for the import car specialist, so don't let them pass you by. In this article, Bob Dowie focuses on the most common problems and maintenance items that have them finding their way into your bays - like check engine light, brake and chassis repairs. read more
 
What is Mode $06 and the other OBD II Modes?
January 28, 2010
OBD II modes are organized into nine categories, each of which is assigned a particular mode number preceded by a $ sign to symbolize the hexadecimal code it represents. read more
 
Tech Feature: Boosting Profits Through Turbocharger Services
January 26, 2010
A turbo's basic purpose is to boost power, so when an otherwise healthy engine suddenly becomes anemic, it often (but not always) means turbo trouble. read more
 
Code P0420: The Dreaded Diagnostics of Catalytic Converter Replacement and Oxygen Sensors
January 22, 2010
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... read more
 
Tech Tip: Hyundai Check Engine Light Diagnostics
January 19, 2010
There are a couple of ways a Hyundai will find its way into your bay with a check engine light complaint. If a misfire is obvious, you may be tempted to get to work and start switching coils, checking wires or whatever, looking to diagnose the problem. But before you do, check the codes to see if more information is available. read more
 
Tech Tip: Loss of Power Assist to the Chrysler Minivan
January 14, 2010
During high humidity climate conditions, some Chrysler, Dodge or Plymouth vehicles may experience a momentary loss of power assist for the steering when turning corners with the A/C or defroster on or recently on. This Tech Tip describes two repair procedures depending on the diagnosis. read more
 
Tech Tip: Honda MIL Comes On
January 07, 2010
The MIL comes on with one or more of these evaporative DTCs stored: P0451 (FTP sensor circuit range/performance problem); P0452 (FTP sensor circuit low voltage); P0453 (FTP sensor circuit high voltage); P1454 (FTP sensor circuit range/performance problem). read more
 
Tech Feature: Acquiring Data on Scan Tools, Part II
November 17, 2009
Technical contributor Gary Goms discuss the importance of choosing the right scan tool, using scan tool database systems, graphing data, storing data for future use, analyzing scan tool data and using bi-directional controls. read more
 
  
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