Thank you all for your help

I have a WRX that missfires all the time, especially at idle. The check engine light flashes and the two codes are P303B, and P304. The customer has replaced the spark plugs already with some that he bought at the dealership. They...

FIX posted 10/12/2012

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle