[Diy_efi] Four Gas Analyzer - What to look for

[Robert W Hughes]

> > 4- Are there sensing elements that deteriorate over
> > time from use or NO use?
> 
> Not AFAIK.

The oxygen sensor has a limited lifetime, partly defined by the amount
of oxygen it sees. And calibration or recalibration can be expensive if
it has to be sent in.

Four gas analyzers seem to go for $200 - $400 on ebay, Sun made a nice
two gas analog analyzer which usually goes for $150-$200 there.
-- 
Robert W. Hughes (Bob)
BackYard Engineering
29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W
Houston, Texas "The city with too much Oxygen"
rwhughe at oplink.net

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