Can someone explain to me O2 voltage in reference to standalones????
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Joined: Mar 2002
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From: Houston, Tx
Can someone explain to me O2 voltage in reference to standalones????
Like it say's, my Accell DFI gives O2 feedback by voltage. What I want to know is what number of volts will it be "stoich"?
Thank's.
Thank's.
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Re: Can someone explain to me O2 voltage in reference to standalones???? (turbo Si)
0.5 volts is stoich
0.5-1 volt is rich
0.0-0.5 volt is lean
The response of a narrowband 02 sensor is non-linear so you can't tell much besides rich or lean, i.e. you can't really say how rich or how lean because it's only sensitive in a very narrow region right around stoich.
It will act like aswitch in closed loop, it will constantly be fluctuating between 0 and 1 volt (roughly). Hopefully when you hit WOT and go into open loop it will peg at rich.
0.5-1 volt is rich
0.0-0.5 volt is lean
The response of a narrowband 02 sensor is non-linear so you can't tell much besides rich or lean, i.e. you can't really say how rich or how lean because it's only sensitive in a very narrow region right around stoich.
It will act like aswitch in closed loop, it will constantly be fluctuating between 0 and 1 volt (roughly). Hopefully when you hit WOT and go into open loop it will peg at rich.
Thread Starter
Joined: Mar 2002
Posts: 1,598
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From: Houston, Tx
Re: Can someone explain to me O2 voltage in reference to standalones???? (filetofit)
Your right, it does bounce around reluctantly. When I get a chance I will datalog a run up the street and see how the O2 reacts.
Thank's for your help!
Thank's for your help!
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