WHAT COULD IT BE?

  • Tiny
  • jeanwhalen66@hotmail.com
  • 1997 Mercury Sable
  • 143,000 miles

1997 mercury sable. Engine knocks and wont stay started. Runs very rough. What could it be?

Tuesday, October 2nd, 2012 AT 1:35 PM

7 Answers

  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

The possible list could be a mile long.
Have you checked the engine oil level?
Is the Malfunction Indicator Light showing?
When was vehicle last serviced/tuned?

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Tuesday, October 2nd, 2012 AT 2:01 PM
  • Tiny
  • jeanwhalen66@hotmail.com
  • Member

Thank you for the reply, oil level is fine, no light is on and it was serviced around 6months ago. When I acelerate while in park, it pops, spits it like mis fires. If I put it in gear it kills it. It is really loud.

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Tuesday, October 2nd, 2012 AT 4:59 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

Seems like misfiring and most likely to be ignition related. Have the spark plugs, ignition coils and wires checked.

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Tuesday, October 2nd, 2012 AT 5:04 PM
  • Tiny
  • jeanwhalen66@hotmail.com
  • Member

Thank you so much. I was afaird I blew my head. I will have it checked

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Tuesday, October 2nd, 2012 AT 5:06 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

If you don't have overheating and coolant losses issues, you shouldn't have blown the head.

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Tuesday, October 2nd, 2012 AT 5:09 PM
  • Tiny
  • jeanwhalen66@hotmail.com
  • Member

Nope none of that. You made me feel much better. Thank you

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Tuesday, October 2nd, 2012 AT 6:05 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

You're welcome.

You would still need to have it checked to know what is wrong.

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Tuesday, October 2nd, 2012 AT 11:26 PM

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