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what is a vacuum sensor? EG civic???

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Old 10-01-2011 | 02:22 PM
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Default what is a vacuum sensor? EG civic???

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Last edited by sweethatch1866; 10-18-2011 at 03:39 PM.
Old 10-01-2011 | 04:37 PM
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Default Re: what is a vacuum sensor? EG civic???

Can you take and post a picture of said plug?
Old 10-02-2011 | 09:46 AM
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Default Re: what is a vacuum sensor? EG civic???

yea I will when I get a chance but it is exactly like the IACV plug, it just has different color wires going to it. The red wire goes to one of the harness plugs on the driver side of the car by the master cylinder and the yellow is just the common ground.
Old 10-02-2011 | 11:21 AM
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Default Re: what is a vacuum sensor? EG civic???

IACV and MAP sensor have same plugs.

There is a sensor that is also called a Vacuum Purge Solenoid...has a similar plug.

Other than that, TPS, FITV, and IAT are all different.
Old 10-02-2011 | 08:45 PM
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Default Re: what is a vacuum sensor? EG civic???

I know what plug you're talking about. accidently plugged it into my iacv n started throwing code 14. realized i plugged in the wrong plug. but i left the red n yellow one unplugged and im not getting a code for it so id like to know where this plug goes as well.
Old 10-03-2011 | 07:40 AM
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Default Re: what is a vacuum sensor? EG civic???

If it is indeed the Vacuum Purge Solenoid plug, it will not throw a code at all.

You don't need it, mine is unplugged as I removed the sensor.


I will try and remember to look and see if I have a sensor with those color wires when I get home.
Old 10-03-2011 | 03:37 PM
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Default Re: what is a vacuum sensor? EG civic???

thanks for the replies, idriveahonda's I think your mixed up unless your harness is completely different from mine. The map and tps are the same plug, then the iat and iacv are the same. as well as this mystery plug. If it wont throw a code I can eliminate it but I'll get a few more opinions first. Ill post pics of my new harness when its done.
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