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2002 Mercury Marquis EGR Valve

Tiny
BARBRAMEY
  • MEMBER
  • 2002 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 35,000 MILES
My check engine light has been on for a few days and I had it checked on a computer. It showed that the EGR valve was bad. Could you tell me where this is located in the car. And also is it easy to replace or should I take it to a garage? Thanks!
Barb
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Tuesday, May 27th, 2008 AT 5:42 AM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
B4 you junk the EGR, what was the code? P0401? If so, it may not be bad, get back to me.
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Tuesday, May 27th, 2008 AT 5:54 AM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
You can check and clean the EGR valve but what we find 90% it not the EGR valve
check and or replace (DPFE) differential pressure feedback EGR sensor
located on center rear of engine near right side of intake manifold
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Tuesday, May 27th, 2008 AT 5:56 AM

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