Auto Diagnostics and Codes

Latest Diagnostics

Fuel Trims

More Diagnostics

It Worked Before I Brought It In

These words can drive any repair facility crazy.

OBDII Connector

OBDII connectors serve as the main communication point between the technician and the vehicle.

Chrysler No-Start After Being Parked

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

Different Nameplates, Different Expectations

One thing Asian nameplates share is that the system voltage must stay in a specific range during the reflashing procedure.

CAN Bus Communications

There are three types of bus configurations that you will come in contact with — loop, star and a hybrid of both.

Programming Options

Let’s help keep the code secure and your sanity intact.

Exhaust Gas Recirculation Operation and Diagnostics

Since exhaust gas does not burn, this lowers the combustion temperatures and reduces NOx emissions from the engine.

Detecting Misfire And Knock Conditions

Knock sensors are mounted on the block near the base of the cylinder head.

No Go? Battery and Starter Diagnostics

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

Starters & Alternators – Tips For Diagnostics

Here are 4 tips to follow when replacing starters and alternators.

Throttle-By-Wire Diagnostics

Throttle-by-wire systems proactively manage the air and fuel going into the combustion chamber.

Knock Sensor Diagnostics

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