Question about 1998 Buick Riviera

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Blinking service engine light

The service engline light is on and occasionally it will blink. Think I may have put bad quality gas in car or even accidentally diesel because shortly after left that gas station light came on and had never been on before

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Troy is correct. Engine misfires will cause the SES light to blink during the misfire then stay on. If this is directly related to the fuel, you would benefit from having the injectors cleaned; however, check the code and note the number of the cylinder with the misfire prior to any work being done.

Posted on Apr 22, 2014

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  • 216 Answers

Gas cap install wrong , remove and replace gas cap. It will take a wile for light to go out.

Posted on Apr 22, 2014

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Posted on Jan 02, 2017

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SOURCE: engine light blinking

You may have a bad spark plug wire or plug, if that doesnt solve the problem it could be the ignition coil.

Posted on Apr 07, 2009

duane_wong
  • 6826 Answers

SOURCE: my check engine light keeps

The check engine light means that something is out of specifications on one of the sensors.
For instance, if the throttle position sensor was bad, then the light would go on indicating that it was getting a signal inconsistant with expected data in the computer.

I would have the car scanned with an OBD-II Scanner that can give a code that tells what system to look at.

OBD-II Scanners work on cars 1996 and up so yours should have that system.

One can get a scanner from Sears or Walmart for under $100 that can do this for you.
Or, one can go to Autozone or Advance Auto and get it scanned for free, for driveability issues.

Good luck on this diagnosis.

Posted on Oct 12, 2010

  • 7 Answers

SOURCE: my car drives fine but

a flashing check engine light indicates a misfire that is currently happening. take it to auto zone have them run a diagnostic(its free) on it and see which cylinder is causing the problem.

Posted on Jan 07, 2011

  • 565 Answers

SOURCE: when i step on the

whats the lite? have you had it hooked up and checked? you can go to the parts store and they will plug into it and give you the codes.

Posted on Jan 20, 2011

  • 610 Answers

SOURCE: service engine light keeps blinking

A flashing check or service engine light indicates a misfire thatr is happenning at that time. Severe misfires can quickly harm your catayitic converter, and need to be corrected quickly, hence the flashing light. Could be ignition, fuel injection, mechanical, or any number of other things, but check it as soon as possible.

Posted on Nov 01, 2011

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