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bad mil code - insufficient egr vacumm

Discussion in 'Accord' started by rmiller, Nov 26, 2011.

  1. rmiller

    rmiller New Member

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    I got this code and noticed that the vacumm to the egr valve will come on for about .5 sec then go off. I then measured the voltage to the egr control solenoid ground side of the relay - it is 12v then will ground out, again for about .5sec, which makes sense that the vacumm follows the voltage.

    I swapped in a good ecu and it works fine but I needed to get a replacement instead of the loaner. I bought one off of eBay and the EXACT same problem of .5sec...

    My question is, is this a weak part of the ecu and the ability to drive the egr control solenoid is just flakey? Can a layman fix the ecu with a new output driver get or something?

    Thanks in advance...

    Rjmiller
     
  2. UNDR8D

    UNDR8D ...has a job!

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    Ymm?
     
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