Question about 2001 Mercury Sable

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Car runs very ruff at idle.Check engine light was flshing

2001 Mercury Cougar .When I cranked it this morning it felt like it was goimg to choke off.I drove it about a mile and the check engine light started flashing on and off so I brought it home disconnected battery cabled and reset computer.The light went away but the car is still running very ruff and if you place your hand over the exhaust pipe you van fill it misfireing.It also cut off by itself one time.But it always cranks right back up no problem.

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  • mastarling1 Feb 06, 2009

    it only runs rough during idle and park and if you let idle to long it will cutoff.It had an egr vallve error a long time ago that was never replced

  • Raymond l Vincent Jr
    Raymond l Vincent Jr May 11, 2010

    hi how are you?does it only run rough at a stop and in park,or all of the time?does the exhaust smell like gas?

  • Rob Richards May 11, 2010

    It would be a good idea to scan the computer and see if you have any misfire codes so you can pin point a cylinder for fuel or spark.

  • Anonymous Mar 22, 2014

    Started car this morning and it sounded and felt like it was running on 3 cylinders. Spanner light came on and then the engine light. It's only done 56000kms, any suggestions?

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You need to have it check immediately if the CEL was Flashing.This means that your engine is experiencing a serious missfire and damage to the catalytic convertors can occur if you continue to drive it. If it was on steady then it means PCM has detected a concern and you should have it check but will not cause damage.

Posted on Feb 06, 2009

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