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K20a3 Honda Civic 03 Sensor question

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Old Oct 27, 2005 | 11:23 AM
  #1  
drew1d's Avatar
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From: Pawling, NY, USA
Default K20a3 Honda Civic 03 Sensor question

Which is this sensor?

I think it might be the O2 sensor or the PCV. It is screwed into the engine behind the fuel rail.(on the right hand side) It has two hoses, One on the top that the hose makes a U back into the engine and the other (out the side, 90 degrees) is connected by a small hose to the "Big duct that connects the Air box and throttle body." I snapped the second nozzle. It just takes in air, so I super glued it and it's working fine. But I won't be able to sleep at night until it's replaced. Thanks!!!


Modified by drew1d at 12:49 PM 10/27/2005


Modified by drew1d at 1:04 PM 10/27/2005
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Old Oct 27, 2005 | 02:41 PM
  #2  
Kidnkorner's Avatar
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Default Re: K20a3 Honda Civic 03 Sensor question (drew1d)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by drew1d &raquo;</TD></TR><TR><TD CLASS="quote">Which is this sensor?

I think it might be the O2 sensor or the PCV. It is screwed into the engine behind the fuel rail.(on the right hand side) It has two hoses, One on the top that the hose makes a U back into the engine and the other (out the side, 90 degrees) is connected by a small hose to the "Big duct that connects the Air box and throttle body." I snapped the second nozzle. It just takes in air, so I super glued it and it's working fine. But I won't be able to sleep at night until it's replaced. Thanks!!! </TD></TR></TABLE>

i did the same fugging thing, you must have been installing an intake, and the hose was stubborn to come off. i super glued my **** back on too., the funny thing was is i removed mine to fix it realizing i couldnt put it back on without removing something else, so i had to break it again install the part and re glue it. LoL. this sensor is nether one of those. i believe this has something to do with air temp for throttle control on cold mornings. i could be wrong.
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Old Oct 28, 2005 | 03:52 AM
  #3  
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Default Re: K20a3 Honda Civic 03 Sensor question (Lynx Bus Type R)

It's not the IAT sensor. (Inlet Air temperature.) The directions to my INTAKE have that labeled as something else. (Good call on the intake.) The only thing I can think of for an air line would be the pcv. On every other car I've owned, (which are all domestic) there was a crankcase breather element in the air box. (the little sponge filter air thing next to the air filter.) On the Honda I am unable to identify where it is. The repair and maintenace manual I bought doesn't seem to have a schematic drawing of the engine compartment. I wish the wrecking yard near me had newer cars.
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Old Oct 28, 2005 | 11:33 PM
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Pics?
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Old Nov 4, 2005 | 07:26 AM
  #5  
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Default Re: (BarracksSi)

Sorry it took so long. I broke my phone and got another one.
This is the motor without the plastic cover on. See the U bend on the right.


Thats a closer look. I'm pointing at the nozzle I broke and re-attached w/glue.


Same type of picture backed up a little.


I know there is a Thermal valve thread. This may be the one. (He also tried to install the V2.)

Thanks in advance, Drew
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Old Nov 4, 2005 | 07:59 AM
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Default Re: (drew1d)

It´s the intake air bypass control thermal valve.

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Old Nov 4, 2005 | 08:23 AM
  #7  
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Default Re: (sk8flex)

Awesome, thanks. Did you like the super glue job?
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Old Nov 4, 2005 | 03:24 PM
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ALL MOTOR EM2's Avatar
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no it was horrible... Superglue and K20's don't mix.
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