I HAVE A PROBLEM WHEN I RUN AC

2002 Subaru Legacy

Tiny

srmrfish

August, 7, 2012 AT 1:59 PM

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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Tiny

ASEMaster6371

August, 7, 2012 AT 2:17 PM

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

Roy

Tiny

KHLow2008

August, 7, 2012 AT 2:42 PM

You could hae a bad ground ciruit connection somewhere.

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