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2014 xterra catalytic clogged
Dear all, 1st I'am so sorry for my english write
I have Nissan Xterra 2014 model with 87k km only, and I got a problem that there is no air flow from exhaust pipes, and when send to dealer thay said its the catalytic system clogged, but when i put KTS scanner there wasnt a fault code.
So my questions are how to know that the problem in catalytic system by reading O sensors
and is this a common problem in Nissan cars
thank you
Thanks given by:
- Park the car with hand brake pulled and the gear shift in P or N position.
- Warm up the engine.
- Rev up the engine till the fuel cut system is activated.
- If it rev up quickly and starts taking jerks at around 4000 rpm- 5000 rpm the catalytic converter is at its best.
- If the engine does not rev up quickly and abnormal sound is heard near the air filter box, the catalytic converter is clogged and it will trigger the DTC P0420.
Thanks given by:

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