Code P0401

Tiny
SONJER
  • MEMBER
  • MERCURY COUGAR
1996 mercury cougar 4.6 v8 110000 miles. What problem might I have after p0401 code came up?
Friday, February 2nd, 2007 AT 8:55 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
You have an egr flow probem, take off egr valve and clear the channel right to the throttle body, I use an old steel coathanger for this, if the channel is not plugged, check the egr valve and the erg position sensor.
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Sunday, March 4th, 2007 AT 7:25 AM

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