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Purge valve C fault code P0443

Tiny
RANGER097
  • MEMBER
  • 1997 FORD RANGER
  • 6 CYL
  • 4WD
  • MANUAL
  • 99,000 MILES
I have the code p0443 on my truck. I have had this for a while now. I replaced the purge valve, reset the PCM (thanks to AutoZone), let it sit and idle for a a couple hours, shut it off, started it again and the light came right back on. I also had EGR valve insufficient flow code and I replaced the EGR pressure sensor and that code went away no problem. I am wondering what else I should do to get this code (P0443) to go away. I am very clueless. Thanks.
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Friday, July 23rd, 2010 AT 9:01 PM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
This is a common problem the EGR passages get clogged and need to be cleaned out. Remove the EGR and use carburetor cleaner and a coat hanger to remove the build up.

Please report back.

Cheers
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Saturday, July 24th, 2010 AT 10:02 AM
Tiny
OLDGURU
  • MEMBER
  • 2 POSTS
Yep, I had this problem as well the ports were filthy, all fixed.
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Saturday, July 7th, 2018 AT 10:55 AM

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