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06-28-2005, 07:18 AM | #1 |
Scooby Newbie
Member#: 88644
Join Date: Jun 2005
Location: Currently in Norfolk VA
Vehicle:2004 WRX Silver |
engine service light help
I recently put a up and down pipe on my 04 WRX and now the check engine light is constantly turning on. I took it in to have them hook it up to the computer. The technician said that my car was used to gettting so much oxygen and now that I got rid of all those extra cats the computer is not used to it. He said there was nothing I could do to stop the light from turning on, short of putting back all those cats. Is this true? Isnt there anyway to fool the computer?
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06-28-2005, 07:39 AM | #2 |
Trust no one
Moderator Member#: 11170
Join Date: Oct 2001
Chapter/Region:
Tri-State
Location: NYC
Vehicle:02 RAV4 MT 15 WRX/11 CRZ |
You need to post the exact codes, but most likely if you installed a catless downpipe you are getting a P0420 catalyst inefficiency code from the now-missing downpipe cat. Also if you removed the EGT probe with the factory uppipe and didn't reinstall it you'll get a code from that as well.
All of this is well documented in the 2.0 Turbo Powertrain forum, along with the necessary fixes to eliminate the codes. |
06-28-2005, 09:57 AM | #3 |
Scooby Newbie
Member#: 88644
Join Date: Jun 2005
Location: Currently in Norfolk VA
Vehicle:2004 WRX Silver |
I am not sure on the exact code but I do know for sure that the EGT Probe is installed. Thank you for the direction.
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