My engine light is on. Do you have a computer to tell you exactly what is wrong?

Yes we do have “computers” which are called scanners but they don’t tell you exactly what is wrong. It takes time to diagnose a engine light on situation and not always easy. For example they usually give a trouble code that lead us to the direction of the fault. From there we have to follow up on, and ensuring the basic requirement of combustion are present such as fuel, compression, heat and spark. On some engines it’s much easier said than done. The we have to worry about sensor operation and the wiring and circuitry that run the power to these components. So it’s not as simple as just plugging in and solving all your problems. Electrical parts are non refundable and often cost hundreds of dollars so you just can’t guess at replacing a part or you’ll soon go broke if you made a bad guess.

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