02 Sensor Issue?
04-19-2017, 04:27 PM
#1
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Location: Indiana, a wonderful place to drive your Miata on nothing but oval tracks.
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02 Sensor Issue?
Hello all, trying to get my megasquirt running today on my 95 and when doing a data log with the car idling in my garage, it will not log any data because I get "Active Filter: Calibrating 02". Im using an AEM Wideband and i have it set to read wideband in tunerstudio. The value on the actual gauge is changing but on my gauges on my computer it does not move. Any ideas? As a side note, right when I went to unhook my timing light before i made this post, i got a big spark and now the megasquirt is cycling between connected and not connected when the ignition is on... not good 
any help at all is appreciated here. Will check fuses in a minute
any help at all is appreciated here. Will check fuses in a minute
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04-19-2017, 04:41 PM
#2
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Update: The Megasquirt is reading online again on my computer. I believe it was an issue with the actual Tuner Studio program and when i restarted it it was resolved. The car is running and idling (kind of), but when trying to take a datalog I still get either "Active Filter: Calibrating 02" Or "02 Out of Range". The AEM does have several different output settings. I have it in a setting where 10:1 is 0 volts, and 18:1 is about 4 volts.. What could it be?
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04-19-2017, 04:48 PM
#3
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Give some more info. How do you have your wideband wired? What kind of Megasquirt is it? (IE: DIYPNP, MSPNP, Brain built MS3+MS3x, MSLabs MS3, etc). Did you build it yourself? Post an MSQ and MSL (tune and datalog).
There should not be a big spark when disconnecting a load. Are you sure that power never touched ground?
Edit: How are you truing to datalog? That active filter should refer to trying to run autotune without a good AFR signal.
There should not be a big spark when disconnecting a load. Are you sure that power never touched ground?
Edit: How are you truing to datalog? That active filter should refer to trying to run autotune without a good AFR signal.
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04-19-2017, 04:55 PM
#4
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Location: Indiana, a wonderful place to drive your Miata on nothing but oval tracks.
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Give some more info. How do you have your wideband wired? What kind of Megasquirt is it? (IE: DIYPNP, MSPNP, Brain built MS3+MS3x, MSLabs MS3, etc). Did you build it yourself? Post an MSQ and MSL (tune and datalog).
There should not be a big spark when disconnecting a load. Are you sure that power never touched ground?
Edit: How are you truing to datalog? That active filter should refer to trying to run autotune without a good AFR signal.
There should not be a big spark when disconnecting a load. Are you sure that power never touched ground?
Edit: How are you truing to datalog? That active filter should refer to trying to run autotune without a good AFR signal.
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