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Fuel Trims And AFR Sensors

Fuel trims are a difficult topic to cover in a matter of a few pages. But this summer, an old friend and former teaching partner arrived at our local car show with the check engine light illuminated on his 2004 Holden Monaro, which was imported from...

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Preventive Maintenance Profits: Preferred Automotive, Jenkintown, PA

With the summer months heating up and cross-country road trips beginning, many people want to make sure their vehicles are prepped for the long haul. For the first-ever July edition of Maintenance Chronicles, we will focus on Preferred Automotive Specialists,...

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Toyota Charging System Diagnostics

According to my experience, I estimate that replacing the alternator solves 95% of all charging system failures. If that’s true, what happens in the remaining 5% of charging system failures that results in customer comebacks? To explore charging system...

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Making Sense Of Steering Angle Sensor Input And Data

Measuring the­ ­position angle, rate of turn and force of the steering wheel is critical for Electronic Stability Control (ESC) systems. Scan tools call these Steering Angle Sensors (SAS) and typically display the information in degrees. The SAS...

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Rotor Failure: Why Rotors Crack And Make Noise

The prices of rotors seem to be dropping the past few years. Call just about any parts supplier and they can quote you a vast range of prices for the same application. And when you compare the rotors side-by-side, they may look the same, but the difference...

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Tire Tread Wear: Causes And Symptoms

Understanding Tire Tread Wear Tire tread wear can tell you a lot about a suspension. Most specifically, it can tell you if the angles, inflation and components are within specification. Here are the most common tread wear patterns and what causes them. Over-inflated...

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Preventive Maintenance Profits: Preferred Automotive, Jenkintown, PA

With the summer months heating up and cross-country road trips beginning, many people want to make sure their vehicles are prepped for the long haul. For the first-ever July edition of Maintenance Chronicles, we will focus on Preferred Automotive Specialists,...

Read more...

GM HVAC Door Actuator Motors: Operation And Calibration

GM Electrically Driven Actuator Motors Long gone are the cables and rods jutting out of the firewall to operate the heater control valve or a vacuum unit pulling a blend door open. These days, it’s electrically driven actuator motors (modules) accomplishing...

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Solving Carbon Deposits In Direct Fuel Injection Engines

Symptom: Misfire codes, stumbling and suspicious fuel trim numbers. On a scan tool, the engine may show a loss in volumetric efficiency. The driver may complain about a loss of power, poor fuel economy and hard starts. Cause: Carbon deposits on...

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Guess the Tool

Answer: Air Ratchet Winner: Josh Gaylord, technician at Randy's Import Service in Waukesha, WI. Read More
Latest articles from our other sites:

CARDONE Introduces Remanufactured Drive Axle Assemblies

CARDONE Industries has announced the release of remanufactured drive axle assemblies. Offered as a complete assembly and priced significantly lower than new, CARDONE drive axle assemblies are the perfect...More

Hybrid Service Training

If you are turning away hybrid vehicle service, change that mindset right now. With more than 4-million hybrid vehicles sold through April 2016, service opportunities exist if you welcome them and are...More

CARDONE Introduces Remanufactured Drive Axle Assemblies

CARDONE Industries has announced the release of remanufactured drive axle assemblies. Offered as a complete assembly and priced significantly lower than new, CARDONE drive axle assemblies are the perfect...More

Federated Awards Jeep Grand Prize During Federated 400 Festivities

There was more excitement than usual in the Federated 400 hospitality area at Richmond International Raceway this year. Tim Hicks of Don Hicks Auto Service in Sandy Lake, Pennsylvania, was awarded a...More

BMW: K-CAN Wiring Shorted In Various Locations

MODELS E70 (X5), E71 (X6), E72 (ActiveHybrid) SITUATION Various functions in the vehicle are not operating. This includes instruments, door locks, wipers, and other body electrical functions. This...More

Repair Shop Coach To Host Shop Owners' Event In Las Vegas

On Oct. 14 and 15 at The Golden Nugget Hotel in Las Vegas, Repair Shop Coach will host The Auto Repair Event, featuring President of Repair Shop Coach Ron Ipach, and partners Keith McClone and Gerry Frank...More