Single Turbo peeps... NTK or ADV O2 sensors?

rac

Private
Nov 14, 2016
49
Australia
#64
Another question is, are the adv sensors, kit dependent? Like wont work with a certain brand due to placement on manifold? I heard that. Would like to know if thats the case with docrace manifolds as well for them. Id look into that also.
I think the the likelihood of success of any pre turbo sensor combined with the stock ecu is going to be somewhat dependent on the manifold and relative sensor positions.
 

veer90

Lieutenant
Nov 16, 2016
666
West Nyack, NY
#65
It's a sensor... the DME has no idea what the manifold is shaped like nor where the sensor is on there. All it sees is voltage / current which gets translated to AFRs and sensor system checks, etc etc.

Fact is ADVs are expensive for what they are ; they work for some but not all and there is no clear reason why.
 

langsbr

Lieutenant
Apr 5, 2017
746
#66
They are pre-turbo sensors, so why wouldn't placement have an impact, based on pressure differential? It would be interesting to see if the works/doesn't work is evenly distributed among all single turbo users regardless of manifold, or if a certain manifold design/style is more prevalent to having them not work.
 
Jun 4, 2017
843
#67
They are pre-turbo sensors, so why wouldn't placement have an impact, based on pressure differential? It would be interesting to see if the works/doesn't work is evenly distributed among all single turbo users regardless of manifold, or if a certain manifold design/style is more prevalent to having them not work.
Only way I could see manifold design making a difference would be in runner diameter for manifold pressure and proximity to head for temperature.
 

rac

Private
Nov 14, 2016
49
Australia
#68
It's a sensor... the DME has no idea what the manifold is shaped like nor where the sensor is on there. All it sees is voltage / current which gets translated to AFRs and sensor system checks, etc etc.

Fact is ADVs are expensive for what they are ; they work for some but not all and there is no clear reason why.
Because I believe it has an expectation on how long a change should take to be read. A change in fuel that is. Similar reason putting both sensors in the down pipe doesn't work, it expects different values when changing bank fueling independently. I suspect it has a check on time to get that information back also and maybe some ecus have are more complex than others and so there is a difference between who has had success there. I.e. the ijeos might be less forgiving.
 
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