what does this code mean

[96accord914]

i have a 96 accord this code pops up. what do i have to change

code:
P0401
Exhaust Gas Recirculation Flow Insufficient Detected

['93CB7Ex]

egr is clogged.

[96accord914]

egr is clogged.

cool should i clean it are buy a new one

[ExplodingCake]

cool should i clean it are buy a new one

Clean. If you're buying a new , it would take the whole lower manifold.

[wed3k]

there's a passage that goes from the exhaust side of the head to the intake side and ive seen those completely filled and clogged full of carbon.