I HAVE A PROBLEM WHEN I RUN AC

  • Tiny
  • srmrfish
  • 2002 Subaru Legacy
  • 101,000 miles

I have a 2002 subaru legacy with a 2.5 L engine it runs fine except after AC is on for awhile it bucks ang check engine light comes on and code comes up po852 which in book says nuetral safety switch and after running for awhile wthout AC on check engine light goes off, code clears and it stops bucking Please Help John M

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Tuesday, August 7th, 2012 AT 1:59 PM

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  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

The bucking sounds like a secondary break down on either plugs. Wires or coil. Have them checked to confirm.

Roy

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Tuesday, August 7th, 2012 AT 2:17 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

You could hae a bad ground ciruit connection somewhere.

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Tuesday, August 7th, 2012 AT 2:42 PM

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