VIDEO: Understanding Bias Voltage
Andrew Markel goes over bias voltage and how this startup process allows a handshake between modules and sensors. Sponsored by Standard.
Coil On Plug Ignition: The Wired Differences
For late-model vehicles, the norm is one ignition coil per cylinder, commonly known as coil on plug. The task of providing voltage potential to each spark plug is performed so reliably that it’s easy to take for granted.
Electronic Throttle: Where’s The Cable?
Today, virtually every manufacturer has an electronic throttle system on board every make and model. That old throttle cable is a thing of the past.
VIDEO: Modern Starters And Diagnostic Hammering
Andrew Markel tackles the age-old diagnostic technique of hitting the starter with a hammer, and the obvious disadvantages to doing so on starters in modern vehicles. Sponsored by Denso.
VIDEO: Check The Battery When Replacing The Alternator
Andrew Markel stresses the importance of checking the battery during an alternator replacement job, and replacing it if it is worn out or will not accept a charge. Sponsored by DENSO.
VIDEO: Diagnosing Failing And Unresponsive Relays
Andrew Markel explains how to diagnose relays that are failing or unresponsive. Sponsored by Standard.
VIDEO: Low-Oil No-Crank Condition Diagnostics
Andrew Markel explains the components to consider in order to properly diagnose a low-oil no-crank condition. Sponsored by DENSO.
Mercedes-Benz HD Projector Headlights: The Next Headlight Innovation
Mercedes-Benz is working on the latest generation of headlights that could change the way we drive at night. This new technology turns headlights into digital projectors that not only project light, but also images to aid the driver and pedestrians.
Catching The Electron Flow: Multimeters And Fuse Box Diagnostics
Gary Goms explains why the multimeter is the first tool he reaches for in his diagnostic tool box when diagnosing electrical system problems.
VIDEO: Three Tips For Your Next Alternator Installation Job
Andrew Markel goes over the proper installation procedure for a brand new alternator. Sponsored by DENSO.
Troubleshooting And Sorting Out Multiple DTCs At The Penny Arcade
It is late Thursday afternoon in mid-May and tourist season is just beginning in Colorado’s High Country. After finishing one mobile diagnosis, I was asked to look at another – a 2003 Honda Element with a no-cranking condition that had just been dropped off at my client shop’s busy parking lot by an owner who was now stranded 2,000 miles away from home.
VIDEO: Diagnosing The Starter With A Voltage Drop Test
Andrew Markel shows how to voltage drop test a starter when there is a slow crank, despite the battery and starter having enough voltage. Sponsored by Bosch Automotive Service Solutions.
