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P2000 code Receive P2000 error code from diagnostic tool

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How to fix code p2000 NOx absorber below treshold


code p 200 refers to two operations
1---nitrogen oxides (N)x) trap, bank 1---efficiency below threshold====causes --NOx trap
2--engine coolant temperature (ECT) sensor---circuit malfunction===causes wiring short to positive---short to ground---open circuit ---ECT sensor ---ECM
you will have to test both the trap and the coolant sensor to find which is causing the code

Sep 27, 2015 | Cars & Trucks

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Trying to find the reason for code p2000


The scan tool your using is generic ISO 9141 is used as the protocal. Its not a code. kwp2000 is not shown. Try and use it on manufacture specific or try and get any freeze frame codes and reply or repost. ( Don't forget to turn ignition key to the run position when trying to retrieve codes.)

Jun 05, 2015 | 2003 Nissan Altima

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P2000 CODE IN 2012 CHEVY SILVERADO


P2000 - Oxides of Nitrogen Trap Efficiency Below Threshold Bank 1
- Sensor or solenoid faulty - Connector terminal contact is damaged or corroded
- Wire harness - Check harness for correct voltage, open, short to ground or short to voltage
- Update control unit software - Check for the latest control unit update
- Powertrain or Engine Control Module faulty
- Catalytic converter damage
- Catalytic converter improper operation

Jan 17, 2015 | Cars & Trucks

1 Answer

What does jeep code p2000 mean


Your NOx trap efficiently is below threshold.

Sep 10, 2014 | 2008 Jeep Patriot

1 Answer

P2000 code and ISO9141


This is a fault relating to an emission's control device called a Nitrous Oxide Trap. As on petrol engines there is a catalytic convertor, clean burning diesel engines need to remove the nitrogen gas from the exhaust gasses. Like any filter (even catalytic convertors), they can only absorb so much before they are full and need to be replaced. NOx Trap is relatively new technology.

ISO9141 is not a fault code- it refers to the communication system that your vehicle uses to relay info to and from its different computer boxes. Also a relatively new system, it is a CAN communications network that can transfer info and receive simultaneously, hence speeding up response times. This technology is critical in safety specific items such as ABS braking and Airbags as the faster you can get the unit to respond, the more efficient the system is.

Apr 26, 2014 | 2006 BMW X5

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Chevrolet cruze p2000 code and others problems


P2000 NOx Trap Efficiency Below Threshold Bank1
If you go to obd-codes.com you can read about this defect. The battery light is telling you that the charge in the battery is not a full charge. Have autozone or one like it to test the battery and alternator. I believe if you correct the battery issue the other problems should go away.

May 21, 2017 | 2011 Chevrolet Cruze

1 Answer

Check engine light on had obd ll code read. shows p2000 according to auto parts store reader. definition shows for a failed honda catalytic converter?


code po2000 nox bank 1 trap efficiency below threshold. your catalytic converter is causing the problem. maybe this will help.

Apr 07, 2010 | 2007 Dodge Ram Truck

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Trouble code p2000


P2000 NOx Trap Efficiency Below Threshold (Bank 1)


This code usually indicates a faulty oxygen sensor(s). However, in some instances it can also be used for a faulty catalytic converter as well, since the O2 sensors are located on the exhaust system along with the cat. converter(s). You should check your O2 sensors before replacing the catalytic converter. Here is a guide on checking these sensors.

All engines run on a optimum fuel to air mixture called "stokiometric" which means chemically balanced. This balanced fuel to air ratio is 14.7 to 1, 14.7 parts air to 1 part fuel. The oxygen sensor is created using the active chemical such as zirconium, electrochemical (also known as Galvanic), infrared, ultrasonic and very recently laser. When a lean mixture code is detected by you or a technician the first tendency is to replace the oxygen sensor. The best way to check the operation of the sensor is to run a simple test. No matter if your engines oxygen sensor has one wire or four there is only one sensing wire that feedbacks information to the PCM. To find this wire you will need a car repair manual. If a trouble code is present that pertains to a oxygen heater sensor failure, replace the sensor to repair the problem. A oxygen sensor must be warm before it will operate properly.


Warning: If a malfunction exists with related components such as an engine misfire or engine vacuum leak do not perform this test. The oxygen sensor to designed to operate within a particular range, if this range is exceeded the sensor will give the appearance that it has failed.

SENSOR TEST PROCEDURE---

  • Step 1 - Once the oxygen sensor sensing wire has been located connect a volt meter to the feedback wire and ground. Select the millivolt operation on the meter.
  • Step 2 - Next, start and run the engine at idle until warm (about 15 minutes). Observe the voltmeter, it should bounce slightly at whatever voltage the sensor is centered at (about 150 millivolts).
  • Step 3 - Continue to observe the meter and have a helper rap the throttle. The meter should drop for a split second as the mixture leans out in the first milliseconds of the throttle bore being opened. Then quickly rise for a spit second as the throttle closes and the mixture richens. The volt meter should stabilize at the original operating voltage when the engine returns to idle.
Remember, if the sensor fails this test, replace it but if it passes, replace the Catalytic converter...

Please rate and have a great day:)



Apr 30, 2009 | Dodge Ram 3500 Cars & Trucks

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