Why is my check engine light on after replacing parts Seeing the check engine light on after replacing parts is a common complaint on DIY auto repair forums. The home mechanics wonder how that can be if they fixed the problem but their check engine light is still on. Well grasshopper, your shortcut bit you in the butt. Of all the home mechanic mistakes, this one is the most common: thinking that if a sensor is listed in the trouble code that automatically means the sensor is bad. Let’s take … Read More
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