What Does the Engine Code P2210 Mean?
The engine code P2210 is triggered when an issue is detected in the Nitrogen Oxide (NOx) sensor circuit.
Written by Drew Waterstreet
Reviewed by Melanie Reiff
The engine code P2210 is triggered when an issue is detected in the Nitrogen Oxide (NOx) sensor circuit.
Cities with environmentally conscious policies have regulations on automobile NOx emissions. The Nitrogen Oxide (NOx) sensor is a part of the catalytic reduction system and is designed to reduce emissions on diesel engines.
So, if your sensor is not functioning properly, you may be polluting the environment above acceptable levels. If you encounter engine code P2210, have your mechanic check it out. The planet thanks you!
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What does the engine code P2210 mean?
Definition: NOx Sensor Heater Sense Circuit Low Bank 1
Engine code P2210 is triggered when the Engine Control Module (ECM) notices a lack of circuitry in the NOx sensor or when there is a pause in the performance of the NOx sensor that lasts more than two seconds.
What causes the engine code P2210?
The NOx sensor is constantly taking samples of the exhaust gas. Certain levels of circuity are required to maintain levels of voltage in the sensor that is proportional to the concentration of NOx in the exhaust.
These are the working conditions necessary for the NOx sensor to function properly; otherwise, the engine code P2210 will be triggered.
These causal situations can be triggered by a malfunctioning catalytic converter or from one of many vehicle components such as:
- Faulty nitrogen oxides (NOx) sensor
- Nitrogen Oxides sensor harness is open or shorted
- Nitrogen Oxides sensor circuit poor electrical connection
Remember, engine code P2210 only tells you what the problem is, not the source of the problem.
Common symptoms of engine code P2210
Engine code P2210 is accompanied by the haunting
Check Engine Light
on your vehicle’s dashboard. Engine performance may also be directly affected if the NOx sensor is functioning improperly. Upon receiving this code, you should address the problem with a mechanic as soon as possible.
Electrical problems
are often difficult to identify, so it’s best to leave it to the professionals to diagnose.How much will it cost to fix?
The cost of diagnosing the P2210 code will require roughly one hour of labor. The labor required to fix the problem varies based on the identified solution. Most
car repair
shops charge between $75 and $150 per hour.While this may sound like medical advice for your car, it’s good to get a second opinion on a P2210 engine code. The source of the problem is often misdiagnosed as a faulty catalytic converter, which can be a pricey replacement.
MORE: How to know if a mechanic is taking too long with car repairs
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