so i have an 03 acc v6 6speed i just bought and replaced the blown motor with a j32a3 from the TL, it runs but misfires at high RPM and had a check engine, the code came back for P0401 Insufficient flow, so i took off the intake manifold and went crazy on the EGR port on the block and the port...
Then, I cleared the code and took it out for a drive. It ran perfectly and no new codes so far. I will update after more miles to let you know if this was a permanent solution, but so far so good!
Hope this helps if you find yourself in the same situation.
Car started running like doggie poo on the way home tonight :mad:
She didn't want to idle well at stops and was missing badly.
I stopped to fill up (tank was at 1/8) and had a hard start condition, didn't want to fire without 3/4 throttle and then had a bad surge.
Finally, the check engine light...