1996 SATURN SL1 CODE P1404

  • Tiny
  • ellisone
  • 1996 Saturn SL1
  • 158,000 miles

Exchanged, cleaned and finally replaced the EGR valve cleaned TB checked and no vac leaks reset MIL and P1404 returned after a couple of days driving on short trips. What additional things can I check to solve problem? Thanks

Saturday, November 2nd, 2013 AT 12:35 PM

5 Answers

  • Tiny
  • saturntech9
  • Expert
  • 28,384 posts

What is the part number of the egr you out on also brand?Did you make sure both egr ports arent clogged?

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Saturday, November 2nd, 2013 AT 2:06 PM
  • Tiny
  • ellisone
  • Member

The replacement egr was bought at autozone part #EGR1044 both ports are clean and the egr was installed in correct position, could the evap system be causing CEL to keep coming back

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Wednesday, November 6th, 2013 AT 9:03 AM
  • Tiny
  • saturntech9
  • Expert
  • 28,384 posts

A failure in the evap system won't set egr codes?How did you make sure the egr ports aren't clogged?

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Wednesday, November 6th, 2013 AT 4:03 PM
  • Tiny
  • ellisone
  • Member

Cleaned ports by starting eng while egr was off car for a few seconds

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Thursday, November 7th, 2013 AT 9:41 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,384 posts

That's a good way to see if the ports are clogged. But if they are clogged that won clean them When you did that did the engine race and you heard a loud exhaust leak? You don't want to over look that and waste a bunch of time looking at things that aren't the problem.

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Thursday, November 7th, 2013 AT 10:13 PM

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