Tuesday, January 26, 2021 Engine Diagnostics
AGCO Auto Quick Tip:

Whenever the Check Engine Light comes on there is a problem. Just because the light goes off does not mean the problem is resolved.

The light will normally come back when the proper driving circumstances are duplicated.  Check engine lights may also indicate transmission problems.

Engine Diagnostics and Repair

Various malfunction indicator lamps

Check engine lights, or more properly “malfunction indicator lamps” (MIL) can be quite confusing. First they come on, then they go off and just when you think everything is okay, they come back on again!

The MIL (malfunction indicator lamp) on a modern vehicle can check for about 2000 different problems and conditions. It is an extremely complex system and is informing you that the vehicle has encountered a problem with the computer engine management systems.

When the light comes on, a diagnostic trouble code (DTC) is stored in the computer’s memory. Retrieving this numeric code will tell our technician which system the engine computer saw a problem with. Contrary to common belief, it does not say what is wrong with the vehicle.

The DTC (diagnostic trouble code) is only the beginning of the diagnostic process. For instance a code might be set that indicates the oxygen sensor is out of range. This does not mean the sensor is bad. There are many reasons for it to read out of range including a vacuum leak, coolant leaking into the intake, or even a loose connection among many other things.

General Motors Tech II factory scan tool This is where the professionals at AGCO come in. We have original equipment manufacturers (OEM) level scan tools.  Tech II for GM, NGS and PDS for Ford, DRBIII and Star Scan for Chrysler, as well as OEM level software, for Honda and Toyota.  Factory scan tools help find problems quickly, to save you money.  We also have OEM level information to determine the cause of your MIL light quickly and accurately. No changing parts at your expense while hoping to fix the problem.

No preset minimum or "flat rate" billing, AGCO charges for the time we actually spend diagnosing your problem. This is much less expensive than wasting money on parts that do not solve the problem. Our methods will electronically isolate the possibilities, without guess work or expensive part replacement.

If your check engine light comes on or if you fail State inspection, call AGCO and find out why a professional diagnosis is the best investment you can make.  AGCO, it's the place to go!