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.
