[TR] help needed with persistent gas smell

[Randall]

> Thanks Randall, that's worth checking further. Maybe something like this
> would help:
> 
> https://www.amazon.com/LESHP-Combustible-Instruments-Sensibility-
> Adjustment/dp/B06XD6L3Z6/ref=sr_1_44?s=automotive&ie=UTF8&qid=1507076191&s
> r=1-44

Maybe, but I would want to double-check that it works with gasoline fumes
first.  I couldn't find the manufacturer's web site for that one; but some
others I checked only say they work with methane and propane.  They might
still work for gasoline, but maybe not.

-- Randall