code p0401

MERCURY COUGAR
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SONJER
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  • 3 POSTS
1996 mercury cougar 4.6 v8 110000 miles. what problem might i have after p0401 code came up?
Feb 2, 2007 at 12:55 AM
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MERLIN2021
  • ✓Experienced 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.
Mar 3, 2007 at 11:25 PM
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