I had my ride's CAT filter taken out today. Once removed, the check light came on. I reset the ECU myself and it went away. It came back after 5 mins. I was infront of toyota Cantt motors. I had it scanned. The mechanic there said that he has removed it for now, but it would come back ans there is no CAT filter and the oxygen sensor would have carbon deposited on it. I went back to the person who removed the CAT. He sent me to this guy who erased the light and said tthat my O2 sensor is faulty. It's giving the wrong values. He said that it had been set by the ECU to deal with the blocked CAT. He said that the heat valve is open and that I would have to replace it. It has not comeback as yet. He took of the O2 cable and put it back after 5-6 secs. He said it would come back on after a while as the O2 sensor is not working. What should I do now? I'll be screwed by my family for messing with the car!
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