Andrew Markel, Director of Content
DTC P0171 And The Connection to Carbon Deposits (VIDEO)

Carbon deposits could be causing code P0171. This video is sponsored by Rislone.

High Pressure And High Maintenance

Direct fuel injectors can take a lot of pressure. This video is sponsored by Rislone.

Getting Rid Of Code P0420 With A Little Cleaning (VIDEO)

A good cleaning might be all you need to get rid of code P0420. This video is sponsored by Rislone.

The Switch To E15 Fuel And Code P0316

The upcoming change to E15 fuel can bring new misfire codes. Sponsored by Rislone.

EGR, Secondary Air Injection And Emissions Management

EGR systems put a small amount of inert gas into the combustion chamber to control the temperatures.

How To Diagnose Slow or Sluggish Oxygen Sensors

When oxygen sensors are tested, manufacturers will introduce small amounts of oil to measure sensitivity.

Oxygen Sensors And Catalyst Efficiency

Newer air/fuel ratio or wide-band sensors can detect a wide range of fuel conditions.

HV/EV Lifting Guidelines

Being able to lift an EV or HEV vehicle properly is a roadblock many shops face.

Balancing Combustion Forces

Visual inspection is critical. Any sign of movement laterally is grounds for replacement.

Fuel Pressure Diagnostic Service

Use a scan tool that can look at special direct fuel injection parameters and perform bidirectional tests.

Free Tesla Service Information?

Tesla quietly changed the pricing to $0.00 for service manuals, TSBs and other critical service information.

Tesla Wheel Bearing Replacements (VIDEO)

Tesla’s need high-quality replacement units to withstand the hefty curb weight. Sponsored by BCA Bearings by NTN.