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code P0401

 
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Old 12 Apr 2010, 04:57 pm
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Default code P0401

Hi! My check engine light came on today checked codes it was P0401 how easy is that to fix? do i need to take it to the repair shop or can fix at home? thanks everyone!
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Old 12 Apr 2010, 05:08 pm
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Default Re: code P0401

Code P0401 EGR flow insufficient
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Old 12 Apr 2010, 05:42 pm
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Default Re: code P0401

From PT Do-It-Yourself.net:

P0401 (M) EGR System Failure - Required change in air/fuel ration not detected during diagnostic test.

The P0401 is a very common code for the EGR. More than a few have been replaced under warranty on the PT. A new valve should cure the codes. Make sure you follow the replacement instructions precisely. Once it's replaced, the code won't clear itself using the battery disconnect technique. Have the dealer clear it using their DRB scan tool during your next visit.
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