I have a trouble code P0403?

Tiny
HOTROD43
  • MEMBER
  • 1999 DODGE CARAVAN
I have a trouble code P0403 is this more than likely the egr valve solenoid and if so can I purchase just that or will it come with a new egr valve its self
Wednesday, September 9th, 2009 AT 10:44 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The EGR and EGR solenoid are separate parts.
Anytime you have a EGR related trouble code, it is a good idea to service the EGR valve. As a dirty valve can trigger codes.
If it has not been done in a while it is a good idea to clean the valve and the tube of the EGR system.

https://youtu.be/DqUCbbKdWf4

I have attached the diagnostics procedure for the code P0403. This will walk you through the steps to determine the faulty part.

Please let me know of any questions.

Thank you.
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Wednesday, August 25th, 2021 AT 2:23 PM

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