Possible causes – Rear A/F Sensor Sensor 1 Bank 1 harness is open or shorted– Rear A/F Sensor Sensor 1 Bank 1 electrical circuit poor connection– Faulty Rear A/F Sensor Sensor 1 Bank 1– Vacuum leak– Low fuel pressure Tech description There is a factory service bulletin for the following Honda Models: 2003 Honda Accord2004…