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1998 Mercury Mystique EGR valve

Tiny
INITIAL
  • MEMBER
  • 1998 MERCURY MYSTIQUE
Engine problem
1998 Mercury Mystique 6 cyl Wheel Drive Type unknown Automatic 85,000 miles

according to the check engine light code, the egr valve needs replaced. How is it done?
Sunday, January 13th, 2008 AT 11:31 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Is it P0401? Valve may not need to be replaced. Pull the egr off, clean the port under it all the way to the throttle plate, I use a length of steel coathanger. Put it all back together, reset the codes, if light comes on again, replace the EGR position sensor, thats the one the two small hoses from the exhaust plug into!
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Sunday, January 13th, 2008 AT 11:34 AM

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