Check engine light

Asked by Mar 17, 2017 at 12:21 AM about the 2003 Hyundai Santamo

Question type: Maintenance & Repair

Check engine light was on we fix the
problem how do I get the check
engine light off

2 Answers

74,535

Use a scan tool to erase the old codes.

2 of 2 people found this helpful.
69,455

You can either clear the computer (PCM) with a scan tool or code reader or drive normally for a few days with the gas tank between 3/4 and 1/4 full. If you fixed the problem successfully the light will go out on it's own. But mind the gas tank level. The PCM won't run all the diagnostics unless the tank is within those parameters. HTH. -Jim

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