Question about 2003 Subaru Legacy

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I have a 2003 Subaru Baja with 126k. Recently has developed what I thought to be a misfire. When I pulled the spark plugs they were loose and covered with oil. I changed the wires and plugs and still have the misfire. I changed the coil pack, still have a misfire. I rechecked the plugs and the wires, no oil. The car will idle fine but have a strong buck when accellerating.fuel filter was changed 2yrs ago. Any ideas?

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I would replace the filter and verify the fuel pressure. should be 30-40psi but I dontt have the exact spec. The oil in the plug tubes may be caused by leaking valve cover gaskets.

Posted on Sep 06, 2010

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