How To Clear A Check Engine Light With No Scan Tool Clearing a check engine light without a scan tool can be done in a few ways, but it's important to note that clearing the light without addressing the underlying issue that caused it to turn on can result in further damage to your vehicle. Here are a few methods you can try: Disconnect the battery: One way to clear a check engine light is to disconnect the negative terminal of the car battery for about 15 minutes. This should reset the car's co

488K views · 1.9K reactions | How to Read Engine Codes without a Reader ? | Rx Mechanic | Facebook

17 reactions | OBD fault code readers have been brought to the masses in recent years, but with so many engine scanners on the market, what one should you choose? We decided to buy a cheap and cheerful fault code reader and put it up against one of the market-leaders to see if paying that little extra, will make a big difference. | Fast Car Magazine | Facebook