obd 2 o2 sensor question???!!!
04-09-2007, 05:10 AM
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obd 2 o2 sensor question???!!!
i have a 99 si and i need to know if i could use an o2 from like a dx for the same application. do these run at different voltages? is the si a specific o2 sensor before the cat? any help will be greatly appreciated.
04-09-2007, 08:07 AM
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Re: obd 2 o2 sensor question???!!! (f_l_g)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by f_l_g »</TD></TR><TR><TD CLASS="quote">i have a 99 si and i need to know if i could use an o2 from like a dx for the same application. do these run at different voltages? is the si a specific o2 sensor before the cat? any help will be greatly appreciated.</TD></TR></TABLE>
02s ALL run at the same voltage. 0-5V scale. This is because the voltage depends on how rich/lean you are running. The sensor itself is an output. So you could even use a sensor from a chevy or a nissan or ferrari if it fits. The DX O2 sensor will work fine.
02s ALL run at the same voltage. 0-5V scale. This is because the voltage depends on how rich/lean you are running. The sensor itself is an output. So you could even use a sensor from a chevy or a nissan or ferrari if it fits. The DX O2 sensor will work fine.
04-09-2007, 08:37 AM
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Re: obd 2 o2 sensor question???!!! (B serious)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B serious »</TD></TR><TR><TD CLASS="quote">02s ALL run at the same voltage. 0-5V scale. </TD></TR></TABLE>
No they don't. Most Honda O2's (at least the older cars) have a 0-1 volt range, with a few exceptions. Not all manufacturers use sensors with the same voltage range.
No they don't. Most Honda O2's (at least the older cars) have a 0-1 volt range, with a few exceptions. Not all manufacturers use sensors with the same voltage range.
04-09-2007, 01:13 PM
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Re: obd 2 o2 sensor question???!!! (Padawan)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Padawan »</TD></TR><TR><TD CLASS="quote">
No they don't. Most Honda O2's (at least the older cars) have a 0-1 volt range, with a few exceptions. Not all manufacturers use sensors with the same voltage range. </TD></TR></TABLE>
you're right you're right. I dont know why i typed 0-5V. There's not very many variations from the 0-1 volt range, though. Especially OBD2. Everything became pretty standardized after OBD2.
No they don't. Most Honda O2's (at least the older cars) have a 0-1 volt range, with a few exceptions. Not all manufacturers use sensors with the same voltage range. </TD></TR></TABLE>
you're right you're right. I dont know why i typed 0-5V. There's not very many variations from the 0-1 volt range, though. Especially OBD2. Everything became pretty standardized after OBD2.
04-09-2007, 02:48 PM
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Darth ModerVader
Re: obd 2 o2 sensor question???!!! (B serious)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B serious »</TD></TR><TR><TD CLASS="quote">There's not very many variations from the 0-1 volt range, though. Especially OBD2. Everything became pretty standardized after OBD2. </TD></TR></TABLE>
It really depends upon the manufacture and the vehicle. Some of the newer Civics have O2 sensors with a wider voltage range, as do a number of other vehicles. As manufacturers push for greater efficiency and emissions control, there will likely be a greater move away from the very narrow-band sensors. However, you're correct in that most of the sensors have traditionally been of the 0-1 volt, narrow-band variety.
It really depends upon the manufacture and the vehicle. Some of the newer Civics have O2 sensors with a wider voltage range, as do a number of other vehicles. As manufacturers push for greater efficiency and emissions control, there will likely be a greater move away from the very narrow-band sensors. However, you're correct in that most of the sensors have traditionally been of the 0-1 volt, narrow-band variety.
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