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P2001

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P2001 OBD-II Trouble Code: NOx Trap Efficiency Below Threshold Bank 2
P2001 P2001 trouble code definition The P2001 diagnostic trouble code indicates that the NOx trap efficiency threshold for bank 2 is below the normal operating threshold. Related Trouble Code: P2000 OBD-II Trouble Code: [NOx Trap Efficiency Below Threshold Bank 1]...

Related questions

Engine bogs down
The ignition timing (https://www.yourmechanic.com/article/what-does-ignition-timing-mean) may have jumped, causing the timing to be off. The ignition timing will need to be checked to see if the camshaft timing jumped. If the timing is not the cause, then check to see if...
Key wouldn't turn in door lock and now won't turn in the ignition
You will need to try and get another key made. When a key is getting worn it will no longer release the lock tumblers. Try using a new key or a spare key if you have one. If not, you...

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