Technicians

Ground Voltage and the DMM
Vd (Voltage drops) on the ground side of a circuit are very small. Using a DMM (Digital MultiMeter) allows measurements as fine as 0.01 volt which is 10 mV when using the 20 V range on a DMM. The 20V range simply indicates the...
The new Power Supply/Jump Starter Kits (part no. KTI74391, KTI74392, KTI74393 & KTI74394) from K Tool International are portable lifesavers when you’re on the ropes! These compact tools can jumpstart cars, SUVs, and light to medium duty trucks. Each features an...
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The rate at which technology is changing personal transportation accelerates every year. While this is a challenge for technicians now, imagine what interesting experiences still lay ahead of us. It’s a known fact that throughout the automotive industry, vehicles are...
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A little over 100 years ago (1908 to be exact) Henry Ford’s original Model T was on the road and by 1913 they were rolling off the first moving assembly line. In 1925 Ford was producing a vehicle every ten seconds that cost $290, down from $850 in 1908. In 1920 nine...
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A few years ago the vehicle manufacturer I was working for was looking for evidence to support their suspicion a certain employee was taking vehicles home at night without permission. Sure enough, the GPS system of one particular vehicle had been set to his “Home,...
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I was recently called to a shop on a 2012 BMW X5 with a 3.0 Liter Engine (Figure 1) that needed a new Engine Control Module (ECM) programmed. The shop had determined that the ECM was internally damaged and needed to be replaced. They purchased a new ECM from the dealer...
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Have you ever heard the saying "Fool me once, shame on you. Fool me twice, shame on me?" or "Sometimes I'm my own worst enemy?" I'm sure we can all relate to having said both of those at one time or another. I had reason recently to...
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My very first job was that of service station attendant way back in the mid-70s. Many of you reading this likely don’t even know what that means! This was back in the day of full-service gas stations, where a customer could pull up to the pump and a smiling young...
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The Independent Garage Owners of North Carolina are once again hosting ASTE (Automotive Service & Technology Expo) Sept. 28-29, 2018 in Cary, NC at the Embassy Suites and Convention Center. Repair shop owners, service advisors and auto technicians will be...
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In most shops, back-ups can happen during the various stages of the repair process. The goal of any repair shop should be to increase output through improved efficiencies. In order to maintain productivity repair shops must identify and remove the issues causing the...
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In this first of two articles on engine mechanical testing, we will introduce two fundamental engine mechanical tests that will be performed with electronic tools. This first test is the relative compression test performed with a scope and high amp current probe. The second...
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One particularly cold day, I was on my way home from work and I saw a couple of women standing by a black Cadillac crossover that was parked in the grass beside the road. I pulled over to see if I could lend a hand. I was in my uniform, and I assessed their situation...
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Have you ever had a problem vehicle with a vibration that just seemed to be impossible to fix? Have you performed repair work or installed parts, in an attempt to correct a vibration and it ended up being a complete waste of your time and the customer’s money? I have...
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Imagine laying on the operating table. There you are, the bright lights bearing down on you and focused on the thought of someone opening you up like a sandwich bag so he can rummage around in your innards. The last thing you remember is the anesthesiologist telling you to...
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This article will review what code set parameters are, as well as how they can be used as part of the diagnostic process. The information included in those parameters should also be part of the repair validation to help ensure the vehicle is repaired right the first time....

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