[Sam]

Hi Eric, love your show, keep up the good work!

99 Acura TL here (I know, I know, didn’t do my homework before getting the car). Been getting the dreaded P0401 code and have been trying to clean it three times. Recently was talking to a mechanic and he mentioned there was a fix where the EGR port is widen so a sleeve can be inserted. Do you know how what size drill bit and how far to drill?

Thanks!

[Sam]

Specific to the 99TL here. P0401 EGR insufficient flow!!!

Normally just remove the phylum and spread cleaner into the port and maybe stick something in there to dig the carbon out.

[Author]

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