Check engine code P1404 which is a EGR code closed

Tiny
ANONYMOUS
  • MEMBER
  • 1997 SATURN SC1
  • 191,076 MILES
Which is a EGR code closed pintil or failed EGR. Took out the EGR cleaned it with carbon cleaner spray while pressing pintil put it back in and deleted the code. Drove a half a block p1404 code came right back. Drove for a week with service engine light on. At the end of the week the check engine light turned off. That was a month ago two days ago check engine light came back on put new EGR in drove a half a block light came back. If you can tell me what's the next step to fixing this problem, please let me know.
Monday, March 18th, 2013 AT 5:39 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It is possible that the EGR valve itself is not functioning properly and needs to be replaced. If the cleaning does not fix it can be a malfunctioning valve.

Here is a video on how to test the EGR valve:

https://youtu.be/DqUCbbKdWf4

The best course of action would be to take a step-by-step approach and check off a few items.

I have attached the troubleshooting guide for the code P1404 below.
Go through these and let me know what you find or if you have any questions.

Thank you.
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Saturday, January 22nd, 2022 AT 5:09 PM

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