2001 Nissan Sentra "reset p0420" Questions

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...p0420 (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 ...

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...reset the computer, and have the customer drive it and see if the code p0420 returns. 50% don't have the P420 code return. drive it and see what happens and go from there. Also FYI ...

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reset warning light Toyota Corolla VVT-i engine. ... Also how to find fault codeusing OBD scanner. ... Trouble shooting a misfire, Code P0300, P0301, P0302, P0303, P0304, P0305, P0306, ... 2000 Toyota

...P0420 code and a check engine light that will not reset. Earlier P-codes indicated a problem with cylinders 1-3. these codes reset after a while. Found intake vacuum house off on top of the engine, ...

...P0420=catalyst system effeciency below threshold (bank 1). I would like to solve the issue without replacing the whole exhaust system, where do I start? With that code you most likely have to replace ...

Question about Nissan Sentra

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P0420 code Engine light comes on intermittently and the car has a P0420 code? The engine lights resets itself after a couple of days. This means that the secondary O2 sensor detects that the catalytic

P0420 code (emissions below threshold 1); mechanic reset the codes, and I changed the spark plugs and wires. Car has failed OBD readiness once and I am taking it back tomorrow; car has driven over 200

P0420 is Catalyst Efficiency Below Normal (Bank 1) and try taking the positive cable off battery for ten minutes and see if that doesn't help that way it will reset the computer and may just drop them

...p0420 and p0430. Make sure your car is timed correctly by the timing chain/belt, reset light, then if it dont' solve the problem, change oxygen sensors, if those don't help, catalytic converter is ...

...P0420 plus P1739 (Transmission System problem), and P1456 (Fuel System possible leak). Any thoughts? I would send the car for a smoke test for the emissions leak...Find out where the leak is comming ...

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