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Hey guys! My Check Engine light is on. After I installed a WRX muffler on my 2001 RS, I hopped on the freeway and it came on. Gino from MPJ motorsports in Hayward says that the CEL light is the from the clincking in my catalytic converter. There has been noticeable rattling in my cat so can you guys tell me if that would cause the CEL to go on due to the O2 sensors? Thanks!
Vince
[email protected] :boxer:
Vince
[email protected] :boxer: