OBD II Diagnostics: Checking into Mode $06
In this scan tool diagnostics article, we take a look at Mode $06 functions which govern non-continuous monitors (EVAP, catalyst, EGR, etc.)
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
Why Go Digital? For Precision and Protection
These days, no matter what kind of automotive repair work you specialize in, virtually every system has a certain amount of electronics. Consequently, one diagnostic tool every technician needs is a digital multimeter. To figure out electrical and electronic problems, you have to “see” what’s going on inside the circuits and components. Trouble is, you
Getting the Most Out of Your Lifts
Lifts play an important role in the day-to-day operations of any automotive service facility. Some may even argue that a lift is a shop’s most valuable employee. After all, lifts never call in sick or go on vacation. However, one of the worst things a shop owner can do is fall into the trap of
Checking into Mode $06
Mode 06 is the actual system test data that OBD II looks at when it decides to set a pending code or a current fault code. If the test data is within the limits established by the vehicle manufacturer, the item gets a PASS and no codes are set. But if a value is out of range, OBD II flags it with a FAIL and keeps an eye on the component until the system monitor has run at least twice. Then, if the problem is still there, a DTC is set and the MIL light comes on.
Selling Service for Low-Maintenance Ignition Systems
ition system maintenance as long as it feels like it’s “running good.” In reality, spark plugs eventually develop high electrical resistance because the electrodes wear away. When this happens, the secondary ignition voltage will increase until the ignition coil, ignition cable, spark plug boot or spark plug develops a high-voltage leak. When a high-voltage leak
Peak Performance
As craftsmen dedicated to the profession of diagnosing, troubleshooting and repairing import vehicles, you know that it’s not so much what you do, but how well you do it, that elevates your shop to the top ranks of your field. Your high professional standards cultivate a loyal customer base, among which you’ve earned trust and
Searching for the Diagnostic Path
Most recently, I’ve found myself dealing with an increasing number of random, multiple-code complaints that involve computer operating strategies and networking communications issues in which the multiple trouble codes or DTCs tend to be symptomatic, rather than indicative, of a component failure. A basic illustration of what I’m talking about is a simple DTC 44,
2004 Underhood Service Repair Market Industry Profile
Welcome to the 2004 Underhood Service Repair Market Industry Profile, our in-depth report of the independent automotive repair market. Our profile below highlights many elements that are a part of doing business in today’s repair shops. The information presented is a good indicator to make short-term predictions about these independent automotive repair shops. It’s also
News: Underhood Service
CARQUEST Selects 2004 TECH-NET Professional/ASE Technician of the Year Raleigh, NC – Richard Robb of Elkhorn, WI, has been named the 2004 TECH-NET Professional/ASE Technician of the Year. Owner of Hi-Tech Automotive, Robb is an ASE-certified master automobile technician with L-1 certification. He was selected for the award after meeting the criteria set by CARQUEST