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It was bumpy and all of a sudden my check engine light came on?

Tiny
BIGKILLACHRIS17
  • MEMBER
  • 1999 BUICK REGAL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 100,060 MILES
I have a 99 buick regal gs supercharged and I was driving thru a parking lot on friday and it was bumpy and all of a sudden my check engine light came on its been on for 3days already and I dnt kno why its on. What can it be and what can I do?
Monday, March 1st, 2010 AT 7:06 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The check engine light gets illuminated when the on-board diagnostics detects issues with any of the engine management systems like a sensor or a component. It can also be due to an emission issue like a leak in the EVAP system or a faulty oxygen sensor etc.
There could be any number of reasons of why the engine light is on.

Best course of action is to scan the vehicle and retrieve the error code(s).
This will help with the diagnostics.
Here is a helpful video:

https://youtu.be/vMwTzURWXmk

Thank you.
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Thursday, December 9th, 2021 AT 9:53 PM

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