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How do you know if your ECU is bad?

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Here are the most common symptoms of a bad ECU:**Check Engine Light stays on after resetting.**Car was jump started on reverse polarity.**Engine turning off for no reason.**Water Damage or Fire Damage on the ECU.**Apparent loss of spark.**Apparent loss of injection pulse or fuel pump.**Intermittent starting problems.**Overheating ECU. read more

We can save you the time and money by testing your ECU DME before spending on costly diagnostic labor and sensors. Below is a helpful guide to determine if you have a faulty ECU. Fill out the Repair and Return Form and send us your unit today. read more

If you suspect that the electronic control unit in your vehicle is damaged, or is going bad, you should immediately take your vehicle to the nearest dealership, repair shop or service center. When choosing a service center to check for a faulty ECU, make sure that you visit one that uses the latest computer diagnostic equipment for checking your car's onboard computer. read more

Important information about buying a replacement or repaired ECU: You do not have to install the exact same ECU part number in your car BUT you do have to install a new ECU with the same E2T number! Pull out the ECU and under the part number on the label there will be a number starting with E2T. read more

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