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O2 sensors

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Old Jan 28, 2015 | 05:34 PM
  #1  
htrdbmr's Avatar
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From: APOLLO BEACH FLA
Car: BMW 735
Engine: 383 W/ SUPERAM
Transmission: 700R4
Axle/Gears: 3.64
O2 sensors

I'm using a 727 ecm, and the O2 sensor is in the driver's side header. Could I install a 2nd sensor in the passenger side, and switch back and forth to verify how each bank is performing? My ve's at this point look pretty good, but I'm not satisfied with the drivability.
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Old Jan 28, 2015 | 08:26 PM
  #2  
1tpi's Avatar
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From: Calif
Car: 75 Vette
Engine: 406 TPI
Transmission: 700 R-4
Axle/Gears: 373
Re: O2 sensors

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Old Jan 29, 2015 | 07:01 AM
  #3  
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: O2 sensors

Yes, you can do that. Just use a high quality switch for the sensor signal. One with gold plated contacts would be best. The reason is that the O2 sensor impedance is on the high side.

RBob.
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Old Jan 29, 2015 | 07:27 AM
  #4  
htrdbmr's Avatar
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From: APOLLO BEACH FLA
Car: BMW 735
Engine: 383 W/ SUPERAM
Transmission: 700R4
Axle/Gears: 3.64
Re: O2 sensors

Thanks. I was not planning on a switch, just unplug one and plug in the other.
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Old Jan 29, 2015 | 10:32 AM
  #5  
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: O2 sensors

Originally Posted by htrdbmr
Thanks. I was not planning on a switch, just unplug one and plug in the other.
That works.

RBob.
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