2014 Corvette LT1: The Engine Under the Hood
The art and science behind its combustion system makes the Corvette LT1 one of the most advanced V8 engines in the world.
New Walker Emissions Control Website Features Enhanced Functionality, Important New Content
Tenneco has launched a new website for its Walker emissions control brand products that provides a wealth of valuable, timesaving diagnostic tools and other important content designed specifically for automotive professionals.
Tech Feature: Diagnosing Diesel Injector Problems
Injectors can fail in ways other than becoming just worn out or tired. Diesel guru Bob McDonald discusses common and not so common injector fails.
2013 VISION Set to Offer Power-Packed Industry Training
Four full days of education cover management, technical and educator topics. Registration for individual courses will be available Feb. 15.
Directions: More Diesels Heading Down The Pipeline
It may be a good idea to have some of your techs become ASE certified in diesel engine diagnostics, which you can market to your diesel-driving customers.
Diagnostic Solutions: MAF Sensor Testing Methods
Troubleshooting MAF sensor problems can become a major headache for diagnostic technicians because the failure is usually one that involves a calibration error, rather than an outright electrical or mechanical failure.
Diagnostic Solutions: Oxygen Sensor Inspection And Service
Oxygen sensors have been a part of the automotive maintenance scene since 1976, when feedback fuel controls were popularly introduced. By 1980, nearly every car and light truck was equipped with an oxygen sensor that allowed their computer-controlled fuel systems to operate in a “closed-loop,” “feedback” or “fuel control” mode.
Tech Tip: Infiniti EVAP Leak DTC Diagnosis – DTCs: P0440/P0442/P0455/P0456/P1440/P1456
Applied Vehicles: 1998 and later Infiniti vehicles with an EVAP service port. DTCs: P0440, P0442, P0455, P0456, P1440 and P1456 If one or more of the DTCs listed above related to EVAP system leaks is found stored in Self Diagnosis, use the Repair Flow Chart shown in Fig. 1. Use the EVAP system diagram (Fig.
Directions: Are You Ready for the Most Tested Fuel in History?
In mid-August, the U.S. Court of Appeals for the District of Columbia Circuit dismissed a lawsuit that challenged the Environmental Protection Agency’s (EPA) authority to grant a partial waiver for 15% ethanol (E15) content in gasoline for 2001 and newer model year cars and light trucks.
Obama Administration Finalizes 54.5 MPG Fuel Efficiency Standards
In total, the Administration’s national program to improve fuel economy and reduce greenhouse gas emissions will save consumers more than $1.7 trillion at the gas pump and reduce U.S. oil consumption by 12 billion barrels.
Tech Tip: Replacing an AF10058 MAF Sensor with a Probe-Only Design
Contamination is a key reason why mass air flow (MAF) sensors fail and require replacement. As air, dirt and other debris get into the sensor, the parts become contaminated and result in failure. Drivers often notice sluggish performance, rough idling or even stalling. There may also be a more frequent need to refuel.
Custom Exhaust Fabrication: Bends, Bungs and Mufflers
Custom exhaust work is one of the first modifications an owner may perform. It can help the car or truck breath better and make more power. But, often some vehicles do not have a performance system available because the vehicle is to new, rare or the owner wants something special.