Quote:
Originally Posted by Delco Bobby
You got some good answers but dust and non propane and non CO gas can set off these alarms, since you said it happens when the AC comes on I suspect something other than propane is causing the alarm.
I don’t want to minimize the danger of propane or CO but you may have another cause especially if the alarm only occurs when running your AC.
A few days ago while driving at highway speeds my alarm was sounding for about 20 minutes then stopped. Not positive as to what caused it but that has happened a few times before. No alarm during next 3 hours of driving.
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Our CO alarm sounded intermittently while going down the highway. Even though I realize CO has no odor, I couldn't help but think it was caused by the unpleasant exhaust odor of a vehicle ahead of us. Once we exited the highway the alarm didn't sound again and hasn't since.