Why You Should Leave Engine Control Unit Repairs to the Pros
Engine Control Unit Repair Pros Modern cars can have over 80 separate computers scattered around the car, but one of the big ones is the engine control unit (ECU). Also known as the engine control module (ECM), this controls most of the key engine functions, including the fuel/air mixture, spark timing, and more. From the outside, an ECU looks like a box due to the housing that protects the circuitboards. If you have a certain amount of mechanical aptitude, it can seem like all you have to do to repair it, replace it, or tune it is to unplug it and plug a new one in. But this can create some big problems. Here are some reasons why you should leave this job to the pros. They Know What to Adjust Whether you need a complete replacement or just want a chip tuning module added, you need to check all of the variables. Even small changes in the settings or software can have big consequences, including causing the whole engine to break down. Even if the computer is exact...