How accurate are the ati- freeze checkers you buy?
I checked my anti-freeze level and it say +20-I had the oil changed yesterday and they said -34, what should I do??
- mister ssLv 71 decade agoFavorite Answer
take your checker back and get your money back or a better one.
- krazybob613Lv 71 decade ago
unless your tester has become contaminated - which is a possibility at the quick change, they are fairly accurate, if in doubt lay out another 8 bucks for a new one and if it agrees with the +20 reading do something about it....Source(s): 30 years behind the wrench.