My LP/CO2 detector will give a false alarm when it picks up aroma from my Honda 2000i generator stored inside ~ or from a black water tank not properly treated.
When either situation is corrected, it does not alarm.
Just FYI and my experience.
2012 Fun Finder XT 276 Toy Hauler & Harley Davidson Ultra Classic with Condor wheel chock
2014 Dodge Ram 2500 AT 4X4 Crew Cab 6.4 L Hemi, 373 gears, tow package, Rambox option, Revolver X2 tonneau cover, Equal-I-zer anti-sway hitch.