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09/09/2023 7:30 pm
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Code p0401, 2002 honda civic 4 cyl manual boughtvthe new egr valve twice lite comes back on before 50 miles
I have a 2002 Honda Civic. Manual for cylinder code reads p 0401 I bought a new one light. Came back on within 50 miles toOK it back, got another new one. Lite came back on with in 50 miles
1 Answer
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09/09/2023 8:19 pm
Did you use OEM parts?
See other possible causes for P0401 here:
https://www.way.com/blog/p0401-code/
https://www.obd-codes.com/p0401
