P0037

JasonBourne

Member
:
2003 Mazdaspeed Protege
hello, my car have the MIL on with the code P0037, this it's relative with the O2 sensor that it's near to the cat, i just replace it, but the MIL don't go off, and the car still feels that lose the power when i accelerate. What other things can cause that???
(braindead)
 
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