2005 Nissan Sentra "catalytic converter problems" Questions

...catalytic converter fault. The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading ...

catalytic converter after i cut out the catalytic converter and unclogged the exhaust manifold converter the exhaust manifold where the upstream o2 sensor goes still glowing red and i changed ...

Efficiency Below Threshold (Bank 2). which mean that the catalytic converter may be damaged due to misfire from the engine. you have get a turn-up, change the O2 senser, catalytic converter may be. $$

...catalytic converter. Possibly even breaking off a portion of the substrate which may be causing a blockage. A rattling noise can also be an indication of a ruined catalytic converter. You can try ...

...Catalytic Converter was going bad, I don't know if I could be losing oil due to this or not. I just bought the car from a private car dealer on April 11, 2012 and all this happened the next day. ...

...catalytic converter. If you are over 80k miles, these devices will wear in stages. The first stage of wear is slower gear change at cruising speeds when approaching any type of incline. Second stage ...

...tying me up for a month. Your pre-cat is designed to scrub the exhaust before it reaches the larger catalytic converters, and until you replace that your problem will still come back. Try buying one ...

catalytic converter first. Because I wonder it starts up and it goes in reverse fine but once she gets to driving it she doesn't have horse power it takes off slow even if she puts her peddle down

...catalytic converter. It is clogged. Do you notice a stange odor when you are traveling? Hear is one way to check to see if it bad. Can you see it if you just look under your car or is it hidden? ...

...catalytic converter. About 2 months ago I reset the computer and traveled from NC to FL (1000 miles aprox). After that I drove in Florida about 300 miles and then the light went on again. What could ...