Bad ECU? Should You Repair Your ECU or Replace It With a New One?
In modern vehicles, electronic functions are not only a convenience, but these days are absolutely necessary for vehicle operation. Everything from your power windows and door locks, to your air conditioning system, to the engines Ignition and timing all run through an engine control unit somewhere along the line. Your engine control unit (ECU) is the main computer which controls and directs the electrical power in your vehicle. Like a train conductor, your ECU directs your vehicle's electrical traffic ensuring proper vehicle function. Additionally, your ECU oversees and reports on all of the various sensors in your vehicle. As an example, if the sensor controlling the air/fuel mixture sees an...