what is meant buy check engine light

Asked by Jan 19, 2014 at 12:45 AM about the Lexus GS 300

Question type: Maintenance & Repair

2 Answers

109,915

Means something with your engine has an issue and has triggered a code. The codes can be read by your local auto parts store for free. These codes will help you figure out what the issues are. Post code numbers back on here and we can help

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The check engine light comes on to alert you that something's not right with a sensor or other device that can effect your vehicle's emissions, gas mileage, or drivability. You'll want to have the computer scanned. Auto parts stores like Advance or Autozone will do it for free. You'll get a trouble code from the computer scan. It will be a four digit number preceded by a "P". Example: P0300. Post your trouble code here and we can help. HTH. -Jim

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