Question about 2000 Buick LeSabre

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Service engine soon light keeps coming on - 2000 Buick LeSabre

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  • Buick Master
  • 4,340 Answers

Your engine management system thinks something is wrong. Pull the code(s) and follow the indication there. Ususally sensors or wiring..
Do not let it go, more damage ($$) happens.

Posted on Aug 21, 2010

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Posted on Jan 02, 2017

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SOURCE: 1990 Chev Pickup C1500 service engine light

When was the last time you replaced the O2 sensor. Most people negelect replacing it every 50K or sooner if it is all short hops.

Posted on Sep 17, 2008

emissionwiz
  • 76630 Answers

SOURCE: Service engine soon light

The MIL light AKA service engine soon light comes on to warn of a malfunction in the emission control system or a problem with electronic engine controls like fuel control, there will be one or more trouble codes stored in the PCM (powertrain control module) to show what system or sensor has an issue/problem, take the car to any Kragen Auto, Auto Zone or other chain parts store and they will test it for free, write down the trouble code or code's and post them back on this same thread for me to look at, then we will have some info on what to fix to get the light to go out, also have them reset the light when they test it, it will come back on in a few days, but maybe we can fix it before then, OK?

Posted on Oct 09, 2008

edwardjwoods
  • 372 Answers

SOURCE: SERVICE ENGINE SOON LIGHT KEEEPS COMEING ON

That code is for a secondary air injection system. Its very common on those vehicles. You either have a bad A I R pump or the fuse and or relay to it is bad. Most likely the pump is bad and that pops the fuse and turns the light on. That pump is usually located in the driver side front inner fender. Some local parts stores can get them now and the prices are geting better. Good luck....

Posted on Aug 18, 2008

  • 1 Answer

SOURCE: service engine soon light comes on sometimes bmw 530i 2003

my service engine ligth came on then it went of

Posted on Apr 02, 2009

polarcycle
  • 1392 Answers

SOURCE: My service engine soon light keeps coming on

Find out why it comes on, and repair it. It will stop coming on then.

Posted on Jun 09, 2009

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Service engine soon light


The MIL light AKA service engine soon light comes on to warn of a malfunction in the emission control system or a problem with electronic engine controls like fuel control, there will be one or more trouble codes stored in the PCM (powertrain control module) to show what system or sensor has an issue/problem, take the car to any Kragen Auto, Auto Zone or other chain parts store and they will test it for free, write down the trouble code or code's and post them back on this same thread for me to look at, then we will have some info on what to fix to get the light to go out, also have them reset the light when they test it, it will come back on in a few days, but maybe we can fix it before then, OK?

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