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1993 Acura Legend 1993 acrua Legend idles up and down

Tiny
5HLW
  • MEMBER
  • 1993 ACURA LEGEND
1993 Acura Legend 6 cyl Front Wheel Drive Automatic

My 1993 Acura legend idles up and down while just setting in park. Now its starting to blow out blue smoke what could me causing that
Tuesday, January 12th, 2010 AT 8:20 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi 5hlw,

Engine surging is due to a fault in the idling system.

Possible causes are :
1. Low coolant level.
2. Faulty Idle Air Control valve.
3. Leaking vacumn at intake manifold.
4. Faulty PCV valve.

Blue smoke is oil being burnt and the most common cause is bad valve seals.
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Wednesday, January 13th, 2010 AT 7:57 AM

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