P0400 Exhaust Gas Recirculation Flow

[smurfcorpse]

Mazda 2000 626 2.5 FI
I don't know if this is related to my other thread.
http://www.mazdas247.com/forum/showthread.php?t=123709340
What should I check for this problem?

 

[Sleeper626]

remove the intake and clear out the egr passages and clean out the egr with carb cleaner and reset the module.