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P02EA - OBD Trouble Code

OBD Code P02EA - Diesel Intake Air Flow Position Sensor Circuit Intermittent/Erratic

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Is that Check Engine Light flashing? Are you experiencing no response from your vehicle’s EGR system? If you answer is “YES” then there is a possibility that your vehicle is indicating a fault with the diesel intake air flow position sensor circuit. In order to have deeper knowledge of this error code, you will need to go through our following sections.

Learn More About OBD Error Code P02EA

OBD error code P02EA indicates problems with the diesel intake air flow position sensor such as sensor circuit being intermittent or erratic. Your vehicle’s air intake control valve of the throttle body is responsible to control the volume of air going through the intake. The PCM, also known as the powertrain control module takes the information from the intake airflow sensor regarding the diesel intake airflow control valve. This OBD error code P02EA will be set by the vehicle’s PCM when it detects the problem with the diesel intake air flow position sensor.


What causes this problem with the Diesel Intake Air Flow Position Sensor Circuit?


  • Problems with the diesel intake air flow position sensor
  • Open or shorted diesel intake air flow position sensor harness
  • Poor electrical connections within the diesel intake air flow position sensor circuit
  • Damaged or faulty throttle body assembly
  • Issues with the engine control module

Replace/Repair These Parts To Fix OBD Code P02EA

  1. Engine Control Module - Are you looking for Engine Control Module, commonly known as ECM? If yes, then have a look at our collection. You will easily find one for your vehicle make & model.
  2. Intake Air Valve - If your vehicle demands an intake air valve replacement, then you have arrived at the right place. We have in stock for you high end intake air valves from top brands.
  3. Mass Air Flow Sensor - Defective or damaged air flow sensor can become a potential cause for many issues. So why not check and replace the damaged ones?
  4. Intake Manifold - You might need intake manifolds to fix this problem with your vehicle. You can browse through our website to get your desired parts at the most affordable prices.
  5. EGR System & Parts - We have in stock high end EGR parts such as EGR valve gaskets for all makes and models. So, don’t waste time and get your hand on our best range of auto parts today.
  6. Throttle Body - Need to undergo Throttle body replacement? Worried about the cost? Well, you no longer need to worry about that as we have for you best priced throttle bodies in stock for you.
  7. Diagnostic Tools - You can choose from a selection of diagnostic tools on our website and make it easy on yourself when diagnosing problems and creating accurate solutions for your car.

Symptoms Of OBD Error Code P02EA

Here’s how you find out if there is a problem with your vehicle’s diesel intake air flow position sensor. We at PartsAvatar are here to help you diagnose your vehicle’s problem efficiently and avoid any misdiagnosis. Let us start with the common symptoms of the OBD error code P02EA.


Common Symptoms


  • Illumination of malfunction indicator lamp
  • There might be low idle speed
  • Possibility of no EGR operations
  • Fall in overall engine performance
  • Stalling engine
  • Rise in fuel consumption

How To Correct P02EA Diesel Intake Air Flow Position Sensor Circuit Intermittent/Erratic

Wish to correct this error code with your vehicle? Do you know what all you should do to make your car free from this code? Well, don’t worry! We are here to guide you.

To correct this issue, you might need to undergo few replacements for the defective parts such as:


  • Diesel intake air flow pressure sensor

What you need to know here is that this sensor can be replaced as unit with the throttle body. Also, it is not separately serviceable.

You might need spark plugs, throttle bodies, intake manifold and many other parts to get this issue fixed. Where to get them from? Well, if you want quality parts, then we can prove to be your dream destination.

Easy Diagnosis Of Engine Error OBD Code P02EA

If you desire to diagnose the issues with your vehicle, then we are here to help you. If you wish to check whether your vehicle is facing obd error code P02EA or not, you will need to follow these simple steps as listed below.

Here are few steps that you need to follow to diagnose this OBD error code P02EA with your vehicle.

To start with, use an OBD-II scanner to check whether the P02EA error code has been stored. Clear the code and conduct a road test, if the code returns you will need to test the DIAFPS sensor and all the related circuits.

For further diagnosis check the manufacturers specifications.


Common Mistakes When Diagnosing The P02EA


While diagnosing OBD error code P02EA, make sure you follow proper diagnosis steps and avoid any misdiagnosis. Look for the following failures:


  • Powertrain Control Module (PCM) failure
  • Throttle body assembly failure
  • Wiring issue

Other Diagnostic Codes Related To OBD Code P02EA

P02E6 - Diesel Intake Air Flow Position Sensor Circuit

P02E7 - Diesel Intake Air Flow Position Sensor Circuit Range/Performance

P02E8 - Diesel Intake Air Flow Position Sensor Circuit Low

P02E9 - Diesel Intake Air Flow Position Sensor Circuit High