 Dumb question about wideband O2 sensor, Is it okay to drive with it disconnected? |
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| bbrock |
 Jun 26 2022, 12:25 PM
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#1
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914 Guru  Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains 
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Kind of an odd question but I have a wideband O2 sensor installed I've been using to dial in carbs using my laptop with Logger3 installed for the gauge. I'm going to drive the car on a moderately long trip next week and don't want to leave the cable snaked through the engine lid and targa top when I drive.
I think it was McMark who said the sensors don't like to be installed and uninstalled too many times so I'm wondering if there is any harm in leaving the sensor in place but disconnecting from power and tying the cable out of the way in the engine bay, or should I remove the sensor completely. Is there any harm in leaving the sensor installed by not connected? |
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| 914werke |
Jun 26 2022, 12:28 PM
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#2
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"I got blisters on me fingers" Group: Members Posts: 10,003 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
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QUOTE(bbrock @ Jun 26 2022, 11:25 AM)  Kind of an odd question but I have a wideband O2 sensor installed I've been using to dial in carbs using my laptop with Logger3 installed for the gauge. I'm going to drive the car on a moderately long trip next week and don't want to leave the cable snaked through the engine lid and targa top when I drive. I think it was McMark who said the sensors don't like to be installed and uninstalled too many times so I'm wondering if there is any harm in leaving the sensor in place but disconnecting from power and tying the cable out of the way in the engine bay, or should I remove the sensor completely. Is there any harm in leaving the sensor installed by not connected? Bah! Take it out. No big deal. |
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| brant |
Jun 26 2022, 12:33 PM
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#3
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914 Wizard Group: Members Posts: 11,612 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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I would theorize that the sensor needs to be connected for the internal heater to work. And keep contaminants burned off
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| bbrock |
Jun 26 2022, 12:38 PM
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#4
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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QUOTE(914werke @ Jun 26 2022, 12:28 PM) Bah! Take it out. No big deal. QUOTE(brant @ Jun 26 2022, 12:33 PM) I would theorize that the sensor needs to be connected for the internal heater to work. And keep contaminants burned off Confirms my suspicion. It's coming out. Thanks! (IMG:style_emoticons/default/beerchug.gif) |
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| Mark Henry |
Jun 27 2022, 11:33 AM
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#5
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
Only two choices, take it out or leave it running, you have to have power to the sensor.
McMark is correct, every time you remove a lambda you risk ruining it. For temporary set ups remove the sensor as soon as you're done, if you leave it in too long it will get stuck. Once it's really stuck you will likely pooch the sensor when removing it. If you're installing or replacing a sensor it's good practice to chase the threads and use the proper socket, both tap, socket and bung plug are available at your FLAPS. Always use anti-seize on the threads, but be careful not to get any of it on the sensor tip. Heh-heh I said 'bung plug' (IMG:style_emoticons/default/sheeplove.gif) |
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| mmichalik |
Jun 27 2022, 11:54 AM
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#6
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MikeM Group: Members Posts: 689 Joined: 27-January 16 From: Valley Center, CA Member No.: 19,600 Region Association: Southern California
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| bbrock |
Jun 27 2022, 12:25 PM
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#7
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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QUOTE(Mark Henry @ Jun 27 2022, 11:33 AM) Only two choices, take it out or leave it running, you have to have power to the sensor. McMark is correct, every time you remove a lambda you risk ruining it. For temporary set ups remove the sensor as soon as you're done, if you leave it in too long it will get stuck. Once it's really stuck you will likely pooch the sensor when removing it. If you're installing or replacing a sensor it's good practice to chase the threads and use the proper socket, both tap, socket and bung plug are available at your FLAPS. Always use anti-seize on the threads, but be careful not to get any of it on the sensor tip. Heh-heh I said 'bung plug' (IMG:style_emoticons/default/sheeplove.gif) Thanks Mark, The sensor is out and my bung is now properly plugged again. (IMG:style_emoticons/default/lol-2.gif) |
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| GBX0073 |
Jun 27 2022, 01:48 PM
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#8
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Member Group: Members Posts: 163 Joined: 21-December 20 From: Illinois Member No.: 25,007 Region Association: Upper MidWest
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Another question on a Wideband for the group
I picked up a Innovate Wideband Kit plan to mount the gauge in the center console cable equates to about 10 and half feet will this be enough to make it ? |
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| infraredcalvin |
Jun 27 2022, 01:55 PM
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#9
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Distracted Member Group: Members Posts: 1,507 Joined: 25-August 08 From: Ladera Ranch, CA Member No.: 9,463 Region Association: Southern California
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All depends on how you route it, for me 10 was slightly short, but the next sized cable is obnoxiously long…
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