Check Engine light??? Failed Emissions
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Check Engine light??? Failed Emissions
I went to emissionsand failed and was given the codes P0401 and P1401.....I changed the EGR pressure valve disconected battery for 30 mins and then the check engine light turned off....after driving a little ways the light came back on...please help
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Joined: Jan 2001
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Here's a pretty good thread. Looks like cleaning and checking the passages would be the cheapest thing to try first.
https://www.ford-trucks.com/forums/s...ighlight=P0401
https://www.ford-trucks.com/forums/s...ighlight=P0401
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WhyFord
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