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Monitoring Emission Efficiency With O2 Sensors

As modern OBD II technology marches on, it’s clear that the zirconia-based oxygen sensor now is being sold more as a basic repair part than as a preventive maintenance part, and it changes the way we diagnose and sell oxygen sensors. To illustrate the difference, let’s remember that an oxygen sensor replacement used to be

News: Cornwell Tool Rally Hits All-Time Attendance High

Wadsworth, OH – Cornwell Tools celebrated the best turnout ever at the 2005 National Tool Rally held last month in New Orleans. More than 100 exhibitors participated, contributing to a 44% increase in overall dealer attendance from last year. Bill Stemple, director of marketing, welcomed the trade show exhibitors March 11, touting the great benefits

The Top 5 Favorite Tools of Top Technicians

Don Frantz Frantz Automotive Center Cary, NC I own and operate Frantz Automotive Center in Cary, NC. We are a six-bay shop with four techs – all of whom are ASE certified. I, myself, am ASE certified with L1 Certification as well. Frantz Automotive was recently voted “Best of Cary” by the readers of the

Mastering Mercedes Multiplexing

“CAN” is the new buzz word in automobile diagnostics. It stands for Controller Area Network and is a protocol for onboard diagnostics and scan tools. CAN is a high-speed data link that provides more information at a faster rate for better communication between onboard electronics and external diagnostic equipment. Many manufacturers have already started incorporating

Niche of Time: GM VTD Systems & Relearn Procedures

As we all know, in the world of automotive technology, things keep changing. In the aftermarket, we tend to feel these changes a little later than the OE dealers. That being the case, it’s no surprise that it has been only recently that many technicians are feeling the sting and frustrations caused by OE anti-theft

Aftermarket News

esented by MAC Engineering on Sept. 29, 2004. The Future Vision Award recognizes East Penn for its commitment to continuous improvements in battery manufacturing technology and its partnership in exploring new processes and methods. MAC has been supplying East Penn for more than 25 years with battery manufacturing equipment including pasting, plate preparatory and stacking

Oil Pumps & the Engine’s Lubrication System

p can restore gear-to-gear clearances but not gear-to-housing clearances. The end plate that covers the pump often develops a heavy wear pattern that is most noticeable on the outlet gear side. Regrinding the face of the plate smooth can restore end play tolerances between the plate and gears but it can’t compensate for wear inside

Diagnostic Dilemmas: The Effects of Warm-Up Laps on a Running Engine

Most diagnostic technicians have experienced the frustrations of troubleshooting temperature-related engine performance problems. All too often, the true nature of the problem is concealed by the very fact that it occurs only at specific engine temperatures. If the engine quickly passes through the critical temperature range needed to duplicate the problem, the problem can easily

The Origins to a Breakdown

It’s interesting to see the look on a technician’s face as a vehicle gets towed into a shop on the back of a truck. That’s the opening scene for a no-start problem. You can usually tell when a technician thinks it’s good, and you can definitely tell when he thinks it’s bad. Not many techs

The Top 5 Favorite Tools of the Country’s Top Technicians

Dan & Kris Cesena Honda Hospital, Inc. San Mateo and Milpitas, CA Our top five favorite tools (and why) are: The Snap-on MicroVAT Battery/Starter/Alternator Tester. Why? Well it makes it much easier to test batteries, alternators and starters; it has an infrared port, which sends the data to an optional thermal printer; and with these