Technical Articles

New Release: ASE 101 Test Tips

November 9, 2023

Welcome to ASE 101 Test Tips! These series of videos have been designed to help you sharpen your skills before taking your ASE certification exam. These test tips will cover […]

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February’s Featured Course: Evolving Fuel Systems Technology

February 5, 2021

Fuel Systems THE FILLING STATION What do we really need to think about when filling our tanks? – First and foremost, it is typically not a good idea to fill […]

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Timken Commercial Vehicle TechTips

December 4, 2019

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Timken Medium-Duty Vehicle TechTips

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Timken Light Vehicle Tech Tips

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How far away are we from self-driving cars?

October 16, 2019

How far away are we from self-driving cars? So how close is humankind away from self-driving automotive vehicles? Innovators may be off for a few more decades, but this will […]

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Climate Control Diagnostic Process

September 18, 2019

Climate Control Diagnostic Process By John Forro Every Technician needs to have a diagnostic plan. The primary goal of the diagnostic plan is to prepare the Technician to solve the […]

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PCM Modes of Operations

September 13, 2019

PCM Modes of Operations by John Forro Avoiding Typical PCM Pitfalls? Well, the number one solution would be education. The more prepared you are on the subject the easier it […]

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Diagnostic Procedure with ICE and GDI

Diagnostic Procedure with ICE and GDI By John Forro The internal combustion engine has never had a clean design. This is why technology is moving away from ICE as fast […]

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Fixing Lean Fuel Banks on a 2002 Chevy Avalanche

August 28, 2019

Fixing Lean Fuel Banks on a 2002 Chevy Avalanche By John Forro So here’s an excellent case study on bad fuel pumps! A 2002 Chevy Avalanche was towed in for […]

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GM TPMS: The Setup And Relearn Procedures

July 15, 2018

View All Our Tire and Wheel Courses       GM TPMS systems on Buick, Pontiac, Chevy, GMC, Cadillac and Hummer models are some of the easiest to service if […]

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The Future of Brake Technology

March 12, 2016

The Future of Brake Technology German OEM supplier Siemens is developing new braking technology called electronic wedge brake. This can dramatically reduce stopping distances of vehicles compared to hydraulic brake […]

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Antilock Braking Systems Technology

Antilock Braking Systems Technology We all know today’s automobiles are “super smart,” hence the need for “super smart” technicians. These days, electronic devices control 85 percent of all vehicle functions, […]

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Vegas 2016, AVI Conference

2016 AVI Conference @ AAPEX

2016 AVI Conference @ AAPEX Save The Dates: October 31-November 1st @ the Sands Expo and Convention Center in Las Vegas AVI conferences attract some of the top technicians in […]

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Get It Out, Article

Get it Out the Door!

March 4, 2016

Get it Out the Door! It’s coming….Friday is coming! Friday brings a slight drop in the work load, anticipation of a weekend with time all to yourself (unless you own […]

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Ford, High Times

High Times At Ford

What is all this talk about clean diesel? Is it the fuel? Is it the engine technology? Is it the aftertreatment technology? Is it the push for cleaner emissions? Yes, it’s all of the above. Clean diesel is a collaborative effort set forth by the EPA, carried out by OEMs, state and local governments, environmental and community organizations and the Federal government.

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AAPEX 2015, Gates

Gates Giveaway at AAPEX

March 30, 2015

GATES GIVEAWAY With the AAPEX show right around the corner, the excitement builds for vendors, buyers, and those planning to attend as fans. Thousands of products that will be on […]

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Bosch at AAPEX 2015

March 24, 2015

Bosch at the 2015 AAPEX Show The world’s largest supplier of automotive components had some things lined up that provided those in attendance with a fantastic experience. Bosch has been […]

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Sema 2015, DN

The 2015 SEMA Show

THE 2015 SEMA SHOW The automotive industry had its eyes locked in on the big annual conventions set for the scene of Las Vegas. SEMA was once again at the […]

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Collision, Shop, Management

Collision Shop Diplomacy

March 23, 2015

Recently I was reviewing an article in AutoInc, involving a “picky customer” case history at a collision repair facility. The question was what would you do if you had a […]

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Start-Stop Technology Growth

March 5, 2015

Start-Stop Technology growth worldwide prompts the increase in AGM battery production to meet rising automaker demand. In the next 5 years it will be difficult to buy a new vehicle […]

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Trucks, Articles

Big News for Heavy-Duty Vehicles

BIG NEWS FOR HEAVY-DUTY VEHICLES Major players in the heavy-duty vehicle industry announced the signing of a Memorandum of Understanding (MOU) on September 15, 2015 regarding access to heavy-duty vehicle […]

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Clean Diesel–What It Is

December 23, 2014

What is all this talk about clean diesel? Is it the fuel? Is it the engine technology? Is it the aftertreatment technology? Is it the push for cleaner emissions? Yes, it’s all of the above. Clean diesel is a collaborative effort set forth by the EPA, carried out by OEMs, state and local governments, environmental and community organizations and the Federal government.

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Advanced Tips For Changing Fuel Pressure On EFI Systems

October 23, 2014

Changing the fuel pressure on an EFI System is an effective method of affecting engine performance and making more power. However, there are many do’s and don’ts, and rules of […]

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Why You Can’t Ignore Reflash Repairs

by Andrew Markel Reflashing has been around for more than 20 years. In the past, updates were rare and typically addressed drivability and emissions issues. Recently, I’ve noticed that ­reflashing is […]

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Fuel Trim Diagnosis And O2 Sensor Performance

September 10, 2014

To better understand how fuel trim numbers are generated, the ECM/PCM uses the oxygen sensor or air/fuel sensor input signal to adjust fuel injector pulse-width values. If a longer-than-normal injector […]

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Can ‘Add-ons’ Affect The CAN System?

August 27, 2014

Shortly after a male teen gets his first car, the first thing he wants to do is modify it with new wheels, upgraded exhaust, seat covers and, the most important […]

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Diagnostic Solutions: Diagnosing Misfires

August 13, 2014

Air/fuel ratios caused by leaking fuel pressure regulators and other fuel control issues can also cause general misfires on other vehicles. Freeze-frame data obtained by a scan tool can be […]

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ASE A5 Test Prep: Brake Pulsation And Runout

Being able to diagnose and solve brake rotor pulsation problems is critical to passing the ASE A5 exam for brakes. Pulsation and brake performance problems may not seem to be […]

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Quick Management Tips from Automotive Management Network

July 30, 2014

All new management tips on being prepared, customer service and etiquette.  Check out the latest Auto Shop Monthly Management Tips from the Automotive Management Network to get inside secrets on […]

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Tips: Using The Oscilloscope: Ignition Coils

Current Ramping – Ignition Coil Regardless of design configuration, the role of the ignition coil is to multiply battery voltage into high voltage, which will provide the necessary spark. Following […]

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OBD II Misfire And Diagnosis

When diagnosing misfires, it’s important to use tools that allow you to go beyond a simple code reader that ­displays a P03XX. Even an OEM-level scan tool can’t tell you […]

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Tackling Ford TPMS

July 15, 2014

TPMS was standard for the 2007 model year. 2007-’09 models have banded sensors, while most 2010-’11 models have sensors mounted behind the valve stem. If the vehicle has been stationary […]

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Finding Electrical Shorts On Multiple Circuits

June 24, 2014

By Scott ‘Gonzo’ Weaver. When I was a kid, I saw a movie called “Juggernaut” with Richard Harris as the main character. It was about a cruise liner that was about to blow up because a terrorist had planted 55-gallon drum bombs all over the ship. The premise of the story line is that Harris was going to save all the people on the ship by defusing the bombs. All through the movie, there were references to the different relays and electrical circuits.

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Parasitic Battery Drains

By Dave Hobbs. Para What? It’s amazing how many IATN posts I see with good techs struggling in the area of parasitic battery drains. How much is too much? How to test? I guess I shouldn’t be amazed. I literally grew up in the family auto electric shop and this kind of thing was our bread and butter. For the rest of the shops out there who have to be experts in everything from the turn signals to the transmission, it can be a bit confusing. So what is a parasitic battery drain?

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