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Q: I got code p0401

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I got code p0410 and put new EGR valve, modulator and switch but the light is still on. I have not put any pipe gasket for EGR valve after I put new EGR valve.. Do you think that may the problem? all vacum hoses look good. How about map sensor? is that causing the problem?

My car has 150000 miles.
My car has an automatic transmission.

Hi there. I’m sure it’s just a type-error, but here are a few articles for you to review about the two OBD-II codes you listed. P0401 OBD II Code and P0410 OBD II code.

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