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Diagnostic Dilemma: The Case of the Missing Code

When doing mobile diagnostic work, no-code stalling complaints are a major part of your agenda. In most cases, the client shop is simply too busy to duplicate the failure or, in some cases, a long test drive will yield nothing in the way of useful...

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Secondary Ignition: The Art of Spark

What is a coil? From the beginning of the internal combustion engine, several different ignition systems have been used to create a high-energy spark. The most popular system, and the one that’s in use today, is a step-up coil. A coil is nothing...

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Diagnosing Catalytic Converter Failure Symptoms

Although construction can vary according to engine application, the common three-way catalytic converter contains a reduction and oxidation stage. To create maximum surface area, each stage is generally a ­ceramic or stainless steel honeycomb substrate...

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Air Filter Show & Tell: Seeing Is Believing

Air filters are normal wear items that ­require regular checks and ­replacement. Their role is to trap dirt particles that can cause damage to engine cylinders, walls, pistons and piston rings. In fuel-injected vehicles, the air filter also plays...

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Searching for 'Black Holes': Job Totals Reveal Missed Selling Opportunities

The concept for Maintenance Chronicle is simple: We ask one shop to record their maintenance sales for a two-week period, and then we see what we learn from the results. This edition of Maintenance Chronicle also proved to be valuable for the shop we...

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Selling Batteries With a State of Health Strategy

Batteries can be an easy sell in some ways ­because all customers ­understand the basic importance of the battery. Good battery = car starts; bad battery = car doesn’t start. Unfortunately, many customers aren’t in the market for that new battery...

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Ford: ABS Light On With DTCs C1175, C1236, P0500 or P0503

Model: 2005-’07 Super Duty Some 2005-‘07 Ford Super Duty vehicles may exhibit an ABS light on and possible diagnostic trouble codes (DTCs) C1175, C1236, P0500 and/or P0503. This condition may be due to faulty vehicle wiring, a failed wheel speed...

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Composite Rotors Are Back

Veteran technicians will remember the problems with composite rotors in the late 1990s. These rotors had hats of stamped steel cast into the iron rotor. They saved weight, but they were prone to runout and installation errors. These types of rotors...

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Power Steering Dynamics and Diagnostics

Twenty-five years ago, when the power steering failed, diagnosing the system was easy. The most difficult problem to diagnose was the “morning sickness” that plagued some ­vehicles when they were cold. Today, the introduction of speed sensitive steering,...

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Using Volumetric Efficiency to Determine the Health of an Engine

Measuring voumetric efficiency can diagnose problems like blocked catalytic converters, bad MAF sensors or vacuum leaks. Glen Beanard show you how to do it with a scan tool. For the complete article, click here.  ...

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Phoenix Systems Sends Facebook Giveaway Winner to Meet Larry McReynolds for All-Star Race

Phoenix Systems, maker BrakeShot, BrakeStrip and Reverse Brake & Clutch Bleeders, announced the winner of its 2015 Win Race Tickets Facebook Giveaway. Suzanne Cleary Drews from Edgewater, FL, is this year's grand-prize winner. Phoenix Systems will...

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Intermittent Engine Misfire Analysis

Even for an experienced diagnostic technician, attempting to diagnose an intermittent misfire condition that occurs only under specific driving conditions can be a frustrating exercise. Contributor Gary Goms breaks it down, and includes tips for using...

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The 2006 Saab 9-3 Sport sedan came in on the hook and the tow truck driver said, “I think it needs a fuel pump.” The gas gauge was reading less than a quarter of...Read More

Headlines

From AutoCarePro
April 16,2015
On average, Americans drive 29.2 miles per day, making two trips with an average total duration of 46 minutes. This is according to a new study currently...Read More

From AutoCarePro
April 16,2015
Through April 30, qualifying orders of ACDelco wiper products (product sub-lines A08 , B08 and C08 [washer...Read More

From AutoCarePro
April 16,2015
Racers in all three rungs of the Mazda Road to Indy will be carrying the Project Yellow Light message at this weekend’s Toyota Grand Prix of Long Beach,...Read More

From AutoCarePro
April 16,2015
Toyota has announced a multi-year plan to realign its manufacturing operations in North America in support of the Toyota New Global Architecture (TNGA),...Read More

From AutoCarePro
April 16,2015
Keeping a technician’s diagnostic tool up-to-date is the only way a shop can ensure that they have the latest codes, tests, tips and data out of the...Read More

From AutoCarePro
April 16,2015
MAHLE Aftermarket Inc. recently announced the release of its first comprehensive filter catalog for vehicle applications in the United States, Mexico and...Read More

From AutoCarePro
April 16,2015
Vehicle repair professionals from across the Chicago area enjoyed the “black carpet” treatment and a chance to swap stories with reality TV star Danny...Read More

From AutoCarePro
April 16,2015
GKN Driveline claims it has become the first Tier One supplier to deliver a complete all-wheel drive (AWD) system for a vehicle manufacturer. The company...Read More

From AutoCarePro
April 16,2015
For the 15th consecutive year, DENSO is sponsoring the SAE 2015 World Congress taking place April 21-23 at Cobo Center in Detroit, Mich. With this year’s...Read More

From AutoCarePro
April 16,2015
The 2015 AAPEXedu program will spotlight telematics, vehicle systems technology and the technology used to operate a business to help service professionals,...Read More

From AutoCarePro
April 16,2015
Air filters are normal wear items that ­require regular checks and ­replacement. Their role is to trap dirt particles that can cause damage to engine...Read More

From AutoCarePro
April 14,2015
Starting at the Milwaukee Brewers home opener against the Colorado Rockies last week, the Monroe ‘Shockmobile’ will continue to be seen by baseball...Read More
Latest articles from our other sites:

Ultimate Underhood: Chrysler Slant Six

While the Chrysler Slant Six did not have the raw power of the Hemi, it was just a sophisticated. The Slant Six went into production in 1960 and lasted until 1983. The 30º tilt was borrowed from Mercedes-Benz...More

Lithium: An Element That Is Charging Ahead

What is an EMV? As you read the hybrid and plug-in articles that my company, ACDC, is writing this year, we have coined a new term: EMV (electric motor vehicle). Rather than use hybrid, plug-in hybrid,...More

Saab: Fuel Sending Unit Replacement

The 2006 Saab 9-3 Sport sedan came in on the hook and the tow truck driver said, “I think it needs a fuel pump.” The gas gauge was reading less than a quarter of a tank and the low fuel warning light...More

New Study Reveals When, Where And How Much Motorists Drive

On average, Americans drive 29.2 miles per day, making two trips with an average total duration of 46 minutes. This is according to a new study currently underway by the AAA Foundation for Traffic Safety...More

PHOTO TECH: How a Brake Pad is Made

Even with zero moving parts, the common replacement brake pad is one of the most difficult to engineer and manufacture components on a vehicle. From the initial design to the final packaging, we...More

BRAKE JOB: 2003-2011 Honda Element

It may look like a car that was never removed from the box it came in, but Honda Element isn’t boxy when it comes to the brakes. The Element is based on the CR-V platform. There is nothing tricky, but...More

Snap-on Introduces New Software Upgrade 15.2

Keeping a technician’s diagnostic tool up-to-date is the only way a shop can ensure that they have the latest codes, tests, tips and data out of the box and miles down the road. With the new Snap-on...More

New CHARGE IT! PP15 POWER PAC Power Supply and 12V Jump Starter

Clore Automotive introduces CHARGE IT! Model PP15, a 15,000-mAh lithium-battery based multi-voltage power supply and 12-volt jump starter. With 15,000 mAh of reserve capacity and multiple output voltages,...More