Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2004 Honda Civic LX with 455k on it, have a p1129 code poppi › 2004 Honda Civic LX with 455k on it, have a p1129 code popping up. April 12, 2012 at 11:00 am #439145 college manModerator p0497 -check the hoses for cracks,splits on the evap/purge system. also inspect the canister for holes. also check any vent lines for obstructions.C8-)