All,
I have a problem regarding my Honda BF90 that I hope someone can help me with. The engine has 260 Hrs use and 3 months ago after coming back to idle the engine light (PGM FI) and intermittent alarm would come on. The engine would still function fine, I would turn it off and on and the alarm would clear, 5 minutes later it is back on. Took it to my service rep and the code thrown was an O2 sensor fault, they changed the O2 sensor. Next trip it was back with the same fault and same code, they changed another O2 sensor. The fault once again was there on next trip, took it back and they found a corroded closed thermostat, they were confident this was the fix. Next trip, alarm again, and it is back at the dealer with the same fault code...O2 sensor. The dealer has said that the O2 sensor is actually working as advertised. On a side note a had to change the battery about 4 months ago and my old sounder used to alarm with low battery power. I havent yet checked the charge from the alternator but could low power be causing the ECM unit to throw an O2 sensor fault at idle. Hope someone has had a similar issue and can lead me right to the cause. cheers.
I have a problem regarding my Honda BF90 that I hope someone can help me with. The engine has 260 Hrs use and 3 months ago after coming back to idle the engine light (PGM FI) and intermittent alarm would come on. The engine would still function fine, I would turn it off and on and the alarm would clear, 5 minutes later it is back on. Took it to my service rep and the code thrown was an O2 sensor fault, they changed the O2 sensor. Next trip it was back with the same fault and same code, they changed another O2 sensor. The fault once again was there on next trip, took it back and they found a corroded closed thermostat, they were confident this was the fix. Next trip, alarm again, and it is back at the dealer with the same fault code...O2 sensor. The dealer has said that the O2 sensor is actually working as advertised. On a side note a had to change the battery about 4 months ago and my old sounder used to alarm with low battery power. I havent yet checked the charge from the alternator but could low power be causing the ECM unit to throw an O2 sensor fault at idle. Hope someone has had a similar issue and can lead me right to the cause. cheers.