Auto Diagnostics and Codes
Batteries – AGM Failures

Providing your customer with the correct group size and type of replacement battery is more important than ever.

Fuel Trims

To gain a better perspective on fuel trims, think about how “analog” vehicles dealt with changing fuel and air mixtures.

It Worked Before I Brought It In

These words can drive any repair facility crazy.

Chrysler No-Start After Being Parked

When leaving a Chrysler PT Cruiser parked for an extended period of time, it could fail to start.

No Go? Battery and Starter Diagnostics

What seems like a problem with one could be an issue with the other.

Knock Sensor Diagnostics

The knock sensor is not the only sensor responsible for detecting engine knock.

Simple Fixes For Bad Battery Connections

Sometimes the obvious cause of a vehicle complaint isn’t the right one. Your diagnostic skills are key.

Forcing OBD II Vehicle Emission Monitors

Some vehicles have readiness issues when it comes to setting all the OBD II monitors.

Using J2534 Programming Devices

How much money are you losing by not programming?

TPMS Sensor Signals

TPMS sensor signals are low power and low frequency, with most sensors transmitting at 315MHz or 433MHz.

Listen Better to Improve Repair Shop Diagnostic Skills

Great service advisors focus 100% on the customer’s complaint and ask “when” and “where” questions.

Air Management For The FSI V6 And V8 Engines

The FSI 3.2 L V6 & 4.2 L V8 have a lot in common with the FSI 2.0 L four-cylinder engine, including carbon deposit problems.