Auto Diagnostics and Codes
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.

Ford Illuminated Malfunction Indicator Lamp

Replace the crankcase pressure sensor/tube assembly and reprogram the PCM.

Rough Running GM Vehicle

This condition may be caused by an internal circuit board fault within the throttle body.

Lost Or Stolen Key GM Vehicles

If the customer has requested to have the keys changed to a different key cut, use the procedure provided.

Ford Power Steering Inoperative After Collision Damage Repair

Here are the case details behind a message center displaying a “STEERING LOSS STOP SAFELY” warning message.