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Old 04-30-2005, 07:17 PM   #8
Scooby Specialist
Member#: 59287
Join Date: Apr 2004
Chapter/Region: TXIC
Location: Houston, Tx
2007 WRB WRX
2004 WRB WRX (RIP)


See my post in the 2.0l forum "P0420 on stock car" I have two now, and have replaced on down pipe. I am thinking there may be a sensor, or EM issue on these cars. Could also show when the fix works for some and not for others...
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bofh is offline   Reply With Quote