Auto Diagnostics and Codes
Ignition And Coil Flashover

If you see carbon tracking or “flash over” on a spark plug, boot or coil, it is not normal.

Fuel Injector Wave Forms

Diagnosing a fuel injector circuit with a scope can help you to confirm the health of the drivers and injectors.

Ford: Permanent Diagnostic Trouble Codes (DTC’S)

A Permanent DTC can only be cleared by the module strategy & cannot be erased by clearing with a scan tool.

Ignition Diagnostics

This part of the cycle is when the mixture of air and fuel ignites and how the flame front spreads in the cylinder.

Fuel Injector Waveform Diagnostics

On the majority of injectors, an electromagnetic coil is energized by a driver in the engine control module.

Servicing Fuel Level Sensors: Fuel Gauge Inoperative?

Do not remove the fuel level sensor from the fuel module unless you get a faulty reading during the testing of the sensor.

Nissan Code P0603 Stored For ECM Back Up Circuit

The P0603 code deals with battery issues such as low battery voltage, discharged battery or battery terminal disconnections.

ECM No Communication Issues

The source of the problem could be software, electrical or mechanical.

Why Do Turbos Fail?

There are significant numbers of import vehicles on the roads that are turbocharged and need service.

Power Window Regulator Replacement

Blindly replacing a window regulator and motor assembly may not solve a customer’s problem.

Modern Battery and Alternator Testing Methods

Old methods of testing a battery and alternator aren’t appropriate today. Do the job right to get the right results.

Diagnosing Throttle-By-Wire Limp Modes

Throttle-by-wire allows engines to better utilize variable valve timing and direct injection for torque and power.