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vipertech763, automotive technician
Category: Dodge
Satisfied Customers: 1854
Experience:  gold certified, dodge viper certified
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what does code po4o4 mean should i replace my egr vavle

Customer Question

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Submitted: 9 years ago.
Category: Dodge
Expert:  vipertech763 replied 9 years ago.
Good evening, in order to help you further, I will need to know the year,make, model and engine size.
Customer: replied 9 years ago.
Reply to vipertech763's Post: dodge intrepid 2000 2.7 engine
Expert:  vipertech763 replied 9 years ago.

I checked and there are no service bulletins related to this code. To check it accurately, you would need a scanner so that you can see certain readings while checking the egr circuits. The most common problem is the EGR valve assembly.

Here is the info on the replacement:



The EGR valve attaches to the rear of the right cylinder head.

  1. Disconnect negative battery cable.
  2. Remove air inlet tube and resonator and bracket.
  3. Disconnect electrical connector from solenoid.
  4. Remove EGR upper tube screws at EGR valve.
  5. Remove EGR valve mounting screws.
  6. Remove screws from EGR lower tube at exhaust manifold.
  7. Remove EGR valve and lower tube as an assembly.
  8. Clean gasket surfaces. Discard old gasket. If necessary, clean EGR passages.

Let me know if you need more help or have more questions.