Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2004 accord wont pass emmisions › 2004 accord wont pass emmisions May 14, 2012 at 11:00 am #438954 EricTheCarGuyKeymaster Not unless it registered the drive cycle, it won’t set a code till the drive cycle has been run. You might consider calling Honda to see if they can force the test to run with their scan equipment if you can’t get the cycle to complete.