Malfunction Indicator lamp on
03-29-2002, 10:56 AM
#11
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Originally posted by bayarea408
to solve this problem, then just put it back to stock.
to solve this problem, then just put it back to stock.
03-30-2002, 09:20 AM
#12
Your problem is that your ECU is not getting a feedback signal from the post cat O2 sensor. You need to fool it into thinking there is a signal. I don't know how to due it on the S2000 but I have done it on other cars using a resistor to simulate the load. A good automotive electrician should be able to hook you up.
Utah.
Utah.
03-30-2002, 11:14 AM
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Originally posted by Utah S2K
Your problem is that your ECU is not getting a feedback signal from the post cat O2 sensor. You need to fool it into thinking there is a signal. I don't know how to due it on the S2000 but I have done it on other cars using a resistor to simulate the load. A good automotive electrician should be able to hook you up.
Utah.
Your problem is that your ECU is not getting a feedback signal from the post cat O2 sensor. You need to fool it into thinking there is a signal. I don't know how to due it on the S2000 but I have done it on other cars using a resistor to simulate the load. A good automotive electrician should be able to hook you up.
Utah.
I haven't looked at the car yet, but I have the values from the Helms manual. The secondary sensor reads 0-1.25V (0.1-0.9V idle). The lower the number is, the higher the oxygen content. Depending on whether your car is rich or lean will determine what to do.
Lean = step up the voltage
Rich = step down the voltage
If I remember my ELEN class, a resistor inline is all that is required to step the voltage down. Stepping up the voltage would require additional energy? Someone with an EE/COEN background would have more insight. First step is to get the voltage readings from your two O2 sensors. The easiest way is an OBD-2 scanner. Tapping into the lines with a multimeter would also work.
04-01-2002, 03:02 PM
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Thanks again for the info.
Just read in another post about a supercharged guy who is running a cat bypass that GSRacer suggests using a O2 sensor simulator from importparts.com.
I quote:
"Utilizes a RISC processor to exactly simulate the oxygen sensor outputs from the catalytic converter. CEL-free guaranteed! The Sim computes various vehicle sensor parameters in real-time to mimic the oxygen sensor outputs. No more check engine lights!"
Sounds good and i've mailed their tech-support to see if it is compatible with the S2000.
If the response is good, ill give it a try.
Max.
Just read in another post about a supercharged guy who is running a cat bypass that GSRacer suggests using a O2 sensor simulator from importparts.com.
I quote:
"Utilizes a RISC processor to exactly simulate the oxygen sensor outputs from the catalytic converter. CEL-free guaranteed! The Sim computes various vehicle sensor parameters in real-time to mimic the oxygen sensor outputs. No more check engine lights!"
Sounds good and i've mailed their tech-support to see if it is compatible with the S2000.
If the response is good, ill give it a try.
Max.
04-02-2002, 03:14 AM
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Importparts.com have replied with the following:
"We can't confirm that the 02 simulator will work in your S2000."
I've asked for a contact point for the manufacturer but it doesn't look promising.
"We can't confirm that the 02 simulator will work in your S2000."
I've asked for a contact point for the manufacturer but it doesn't look promising.
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