Transmission Valve Body Replacement
Learning how to perform drivetrain diagnostics and “in-the-car” repairs is important.
Catalytic Converter Replacement
Converters must be certified and labeled with the correct codes that are stamped into the shell when replacing.
Air Filters and Fuel Trims
Modern engines rely on precise airflow and oxygen sensor data for optimal performance.
Electric Power Steering Evolution
Diagnosing electric power steering systems requires a certain level of understanding.
Ignition Coil Output
To see inductance inside the primary windings, use an amp probe placed around the positive wire for the ignition coil.
Ignition System Do’s and Don’ts
Why do ignition systems give technicians problems when diagnosing ignition-related misfires? The answer is that some technicians use tests that might give inconclusive results or do damage to the coil or drivers inside a module.
Steering Angle Sensor Service
Ninety percent of the time when a steering angle sensor code is active, it means the sensor needs to be calibrated.
Electric Power Steering
Today’s systems have been refined.
Mass Air Flow Sensor Cleaners
What can you do both for maintenance and for service and diagnostics to confirm a mass airflow sensors functioning properly? Andrew Markel shares the secret in this video sponsored by Auto Value and Bumper to Bumper.
VW Four Motion
A DSG transmission is lighter than a comparable automatic with the same number of speeds.
