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rohan smith
rohan ... 3/23/2011
2001 Toyota Corolla CE 4 Cyl 1.8L - Engine
my check engine light is on
11/2 year ago my check engine light came on and it was subsequently discover by my mechanic that the catalytic conver was bad i changed it and now the check engine light is back on the mechanic said it is the 02 sensor and the catalytic conver gone bad . what can be done to fix it so it can last at least 4 years without going bad
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