I have been told that any lead in fuel will damage lambda sensors?? Why does leaded fuel kill these sensors? Are there any avaliable that work with leaded fuels, or does it have to be un leaded fuel only?

 

my take is:
If you think about it, part of the reason for putting lead into the fuel (apart from a cheap way of increasing the octane) was that it put a thin film of soft metal lubrication on the valve seats
well it will make the same deposit on the heated o2 sensor ruining it
don't know of any that would work with leaded fuels but since most are for use with 'cats' which are also harmed by lead , I doubt it
though what tuners used to use when leaded fuel was common I don't know?

 

up

 

Yeah, thanks for moving the thread to where no fooker ever looks .....

 

noboby reads your threads anyway as there usually full of shit

 

Like your head ... This is a particually important one though

 

how come, what have u got in mind?

 

as send leaded fuel covers the o2 sensor in a film and stops it from sniffing not aware of any that work with leaded fuel as they work in conjunction with cats which lead is also a no no

 

Hmmmm, is there anything else that can sense the level of O2 in an exhaust gas and not get killed by lead?

 

Would sensor sheilds not work? I know i looked at them when i had the anti lag to stop killing lambda sensors but never sorted anything.

 

Im not aware of any lambda sensor that doesnt mind being coated in lead and unable to see the gasses any more.

 

makes me wonder now how they used to live map them when cossies run on leaded fuel

 

Lead buildup takes ages.

 

true

 

How long does it take to cause a build up of lead that would render the probe inaccurate? And which way would the error go? I am assuming it will see "less" oxygen and display a rich indication on a guage?

Can they be cleaned/ unblocked if they get coated or is it replacement time?

 

Takes ages to kill em, they start to read rich. Just bin em every 3000 miles and you will normally be fine.

 

So if you were tuning an engine using one that was going off cal, it would mean that the engine could possibly run lean? And sorry to be a pain, but how long in hours would it last, as I am looking at this for an aircraft application, our club aircraft have manual leaning conrols for inflight mixture adjustment, as when you get higher up the air gets thinner etc

 

Just looked up the innovate web site,and they state the degrading of the sensor is proportional to the metal content of the fuel.
and that the sensor will give accurate readings for between 50 and 500 hours.
my quickest sensor death was about two weeks of use.