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1997 Ford Expedition P0402 code issue

Tiny
ROYCAR71
  • MEMBER
  • 1997 FORD EXPEDITION
  • 5.4L
  • V8
  • RWD
  • AUTOMATIC
  • 260,000 MILES
I clean the EGR valve for my Ford Expedition 3 times and I still get the code P0402 intermittently. What can I do to solve the problem? Thank you.
Friday, July 17th, 2015 AT 2:44 PM

5 Replies

Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,005 POSTS
CLEANING THE CARBON OUT OF THE PASSAGE WAYS (THAT LEAD TO THE EGR)

REPLACING THE EGR (DEFECTIVE)

LACK OF VACUUM TO THE EGR (EVERYBODY STILL HOOKED UP/ NO LEAKS IN THE LINES?)

MANY TIMES IT'S A BAD DPFE SENSOR THAT CAUSES THE CODE TO APPEAR (REPLACE)

THE MEDIC
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Friday, July 17th, 2015 AT 4:49 PM
Tiny
ROYCAR71
  • MEMBER
  • 354 POSTS
Thank you.
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Saturday, July 18th, 2015 AT 9:34 PM
Tiny
CJ MEDEVAC
  • MECHANIC
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GET 'ER DONE?

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Saturday, July 18th, 2015 AT 9:42 PM
Tiny
ROYCAR71
  • MEMBER
  • 354 POSTS
I replace eye dove sensor. So far no more check engine light. That you.
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Thursday, July 30th, 2015 AT 2:04 PM
Tiny
CJ MEDEVAC
  • MECHANIC
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SORRY IF I WAS NOT A LOT OF HELP

GLAD YOU GOT 'ER GOING!

COME BACK TO SEE US

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Thursday, July 30th, 2015 AT 7:42 PM

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