Rear Oxygen Sensor specifications (avoid cat cel) ???
#1
Rear Oxygen Sensor specifications (avoid cat cel) ???
Hi,
I'm looking for the rear Oxygen Sensor specifications :
after the catalytic converter
it gives the A/F (Air Fuel Ratio) and good or bad catalytic converter
it detects the oxygen concentration in the exhaust gas
a high voltage --> car rich (<14,7 AFR)
a low voltage --> car lean (>14,7 AFR)
with model ??? LM1 ?? bosh ???
I know :
- it's a 4 wire sensor :
[C] [A]
[D] [B]
where :
A : Y (Yellow)
B : BR (Brown)
C : W/R (White / Red)
D : R (Red)
- when you check the voltage ; at 3000 rpm should should have 0,5- 0,7 V ; under accelerated you should have 0,5-1,0 V and under decelerated : 0-0,5 V
take + to A and - to B --> Voltage
- you should have a 14,1-18,9 Ohms resistance under 68°F (20°C) : conditions for the sensor to work fine
take C and D --> ohms
anybody check the voltage after putting a midpipe ???
By putting the correct resistance you can perhaps avoid the cat cel ?????
need some help
thanks
I'm looking for the rear Oxygen Sensor specifications :
after the catalytic converter
it gives the A/F (Air Fuel Ratio) and good or bad catalytic converter
it detects the oxygen concentration in the exhaust gas
a high voltage --> car rich (<14,7 AFR)
a low voltage --> car lean (>14,7 AFR)
with model ??? LM1 ?? bosh ???
I know :
- it's a 4 wire sensor :
[C] [A]
[D] [B]
where :
A : Y (Yellow)
B : BR (Brown)
C : W/R (White / Red)
D : R (Red)
- when you check the voltage ; at 3000 rpm should should have 0,5- 0,7 V ; under accelerated you should have 0,5-1,0 V and under decelerated : 0-0,5 V
take + to A and - to B --> Voltage
- you should have a 14,1-18,9 Ohms resistance under 68°F (20°C) : conditions for the sensor to work fine
take C and D --> ohms
anybody check the voltage after putting a midpipe ???
By putting the correct resistance you can perhaps avoid the cat cel ?????
need some help
thanks
#3
humm .... could you be more explicit ??
if I stay with a voltage between 0 and 1V and close to 0,5V at 3000 rpm .... should be right ???
I will test an electronic fooler for subaru sti and mitsubishi evo VIII (a friend of me build them ... ; it's perhaps the same)
and I ask GTAW too for his fooler ..
if I stay with a voltage between 0 and 1V and close to 0,5V at 3000 rpm .... should be right ???
I will test an electronic fooler for subaru sti and mitsubishi evo VIII (a friend of me build them ... ; it's perhaps the same)
and I ask GTAW too for his fooler ..
#4
Metatron
iTrader: (1)
It ain't no Evo.....
The output the sensor sends is "spikes" or clicks of voltage, increasing in frequency as the mixture gets leaner.
So you would need a fooler circuit that sends regular pulses, like the ones they use to fool Subies and Mitsus, but when the ECU sends a check of rich/lean mixture, it expects both sensors to react, and no fooler ever could.
S
So you would need a fooler circuit that sends regular pulses, like the ones they use to fool Subies and Mitsus, but when the ECU sends a check of rich/lean mixture, it expects both sensors to react, and no fooler ever could.
S
#7
I read here some use the casper electronics 104052 fooler
some say it's well working
other it's not working (or only working with a high flow cat and not a midpipe ...)
who is true ????
and ... it's the same fooler for the evo VIII on the casper eltronics website
some say it's well working
other it's not working (or only working with a high flow cat and not a midpipe ...)
who is true ????
and ... it's the same fooler for the evo VIII on the casper eltronics website
#8
2005 Ti Gray RX-8 - SOLD
iTrader: (1)
Join Date: May 2006
Location: Tucson, AZ
Posts: 314
Likes: 0
Received 0 Likes
on
0 Posts
and some good reading here:
http://www.aa1car.com/library/p0420_dtc.htm
http://www.aa1car.com/library/p0420_dtc.htm
Thread
Thread Starter
Forum
Replies
Last Post
Audio Concepts ATL
New Member Forum
21
09-26-2021 01:59 PM
Jvswan
Series I Aftermarket Performance Modifications
28
07-23-2015 09:02 AM