The engine control module, or ECM, controls plenty of functions during routine driving, so any issues with that part could cause severe problems.

If you've had to have your car serviced or had a trouble code read, you may have heard about the PCM, but what does the module do for your car?

The engine control module (ECM) is one of the most important components that is found on basically every modern vehicle.

Normally, I run Memtest whenever I have suspected problems with a module. I did, however, rule out the possibility of bad sockets by stealing two modules out of my other system (the HTPC).

I suspected it was because of a bad memory module. Normally, I would recommend downloading the free, open-source MemTest86+ memory-testing utility to a floppy disk or CD and then booting from that ...

While it might be hard to detect without a check engine light at first, a faulty engine control module can cause various problems in cars over time.