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Too many possibilities to guess, but there many things that can go wrong, damaged or blocked vents, etc. My Sensorcon goes with me in any vehicle and anyplace I spend the night as I know that affordable technology for CO alarms is still rarely used.Would be surprised it would be faulty venting.
My Sensorcon goes with me in any vehicle and anyplace I spend the night as I know that affordable technology for CO alarms is still rarely used.