Question about 1989 Oldsmobile Cutlass Ciera

3 Answers

Runs good when it's cold, warm it chokes and dies

When i start my car from a cold start... it runs great until it gets warmed up then it just chokes out and doesn't try to start back up it's a 3.3 runs real good when it's cold though...idle control or MAP sensor....can anyone tell me whats wrong with my car?plus when you rap it up...it dusts the ground with carbon from out of the tailpipe

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  • Shadd Hawkins Jul 24, 2009

    what would you like to know?....

  • Shadd Hawkins Aug 01, 2009

    i took the o2 off and i got nothin different.....i even replaced the MAF sensor....i put new spark plugs and wires in and it did nothin differentrun like a stripped ass ape....then when it warmed up.....it died.....somewhere for some reason it's floodin out......fuel issue of some degree.....i don'T GET IT...NEARLY $1000 SINCE I GOT IT....AND I STILL CAN'T FIGURE IT OUT......

  • Bruce Hathcock May 11, 2010

    Have you checked the fireing plate? where the diodes are for operating the coils?

  • Bruce Hathcock May 11, 2010

    the carbon would be indacative of a map sensor but it also could be a stuck purge valve a bad egr valve and things that I need more information on to post a intelligent post on the problem.

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  • Oldsmobile Master
  • 599 Answers

Sound like the catalytic converter is going bad or is bad,take out the oxygen sensor before the converter and see if it runs better. if you need more help get back to me please rate my fix

Posted on Jul 24, 2009

  • Ray Keckeisen Aug 01, 2009

    is the check engine light on,do you have the codes,need more info to help

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To find out just remove the 02 sensor if it runs like a raped ape then the cat is plugged remove the one before the cat. I do this all the time, if it runs better then deal with the cat anyway you desire, Because you say black smoke I know your cat is plugged or ruined due to over fueling, either from over fueling from the 02 sensor or because of a blocked cat remove the sensor see if it's cool and see if it has a lot more power, if it does you found your problem.

Posted on Jul 24, 2009

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  • Expert
  • 202 Answers

Have u change your fuel filter, maybe your fuel pump is going bad try check the fuel pressure when engine is cold and when engine is hot and record if pressure is same fuel pump is okay so it is something else

Posted on Jul 24, 2009

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