Possible causes – Faulty Manifold Absolute Pressure Sensor– Manifold Absolute Pressure Sensor harness is open or shorted– Manifold Absolute Pressure Sensor circuit poor electrical connection Tech description There is a factory service bulletin for the following Honda models: 2001 Honda Odyssey2003 Honda Odyssey2003 Honda Pilot Honda Factory Service Bulletin OBDII Code P1129 Symptoms – Engine…