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Old 09-27-2004, 03:52 PM   #11
wrx_snobordr
Scooby Newbie
 
Member#: 49343
Join Date: Nov 2003
Location: philly area
Vehicle:
02 wrx
silver

Default

This is an excellent write up, thank you very much. I have a p0171 right now and took it to subaru and they told me it was because of my aftermarket cat-back. I didnt believe them seeing how ive had it on for about a year with no problems. I put my stock exhaust back on and the same code popped back up. I called them and there next excuse was it is because i have silencer removed, could be true i dont know. But upon reading this thread and checking the parts i feel i can without causing more damage i found that THEY not I, when doing my 30k overhaul just placed my stock airbox back on and ditn bother to slide to two tabs in the back under. So now i have the battery unhooked cause i was told that will clear the cel and i hope it doesnt pop back on. But is it possible that my cat back can cause my front o2 sensor to go bad?? thanks again for this write up, matt
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