by Shop Press Staff | Aug 5, 2025
Which Is Faster: A Spark Plug Firing or a Fuel Injector Spraying? (VIDEO) Description Did you know that a modern fuel injection system can fire off multiple sprays in the same time it takes for a spark to jump across a plug? Pete Meier uses the precision of today’s...
by Shop Press Staff | Jul 29, 2025
Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO) Description Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions...
by Shop Press Staff | Jul 15, 2025
Misfire Cause–ASE Practice Questions (VIDEO) Description Technician A is diagnosing a misfire. He states that a misfire is caused by a fault in the ignition system and that new plugs and coils will repair the problem. Technician B says that a misfire is detected when...
by Jonathan Roth | Jul 10, 2025
In Part 1 of this piece, I traced the history of the U.S. presidential state car from the beginning to the Kennedy Lincoln Continental. In this part, I’ll pick up with President Lyndon Baines Johnson’s state car and continue to the present day. 1967 Lincoln...
by Jonathan Roth | Jul 3, 2025
The U.S. presidential state car (aka “The Beast”, “Cadillac One”, “First Car”, and codename “Stagecoach”) is an unmistakable symbol of our nation’s executive branch. Since we had a presidential inauguration this year, I...
by Andy Greaser | Jun 19, 2025
Nobody wants to hear it, but cyberattacks and ransomware are part of a complicated new reality for the digital systems supporting the auto repair industry. Are you prepared? Months after the CDK Global outage ravaged the auto repair industry, there are still lingering...