4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Hose on vapor flow sensor found hanging (pic)

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Old 03-24-2011, 08:50 PM
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Ultrashock
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Default Hose on vapor flow sensor found hanging (pic)

Been getting a CEL and looked under to find this hose not connected.

Just bought the car (96 cobra) and have no idea what the previous owner was messing with. Question is, where does this hose go? I have been searching for the answer all day and cannot get a straight answer.

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Old 03-24-2011, 10:05 PM
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Repzard
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Originally Posted by Ultrashock
Been getting a CEL and looked under to find this hose not connected.

Just bought the car (96 cobra) and have no idea what the previous owner was messing with. Question is, where does this hose go? I have been searching for the answer all day and cannot get a straight answer.

That Connect to another hose(looks to be missing in your pic or cant be seen) that goes into the back of the intake.look near the back of the intake for a hose that has a red stripe on it or a open spot on back of intake,it kinda in a low spot (plug that hose there if it reaches)

If you dont see it near intake look down under power block near exhaust manifold area for that hose with red stripe.

if you dont see it in either place you are missing the hose.
Im guessing it connect near intake side because you said you had a CEL on .(Guessing vac leak).

did you pull code?


Good Luck..hope I helped out

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Last edited by Repzard; 03-24-2011 at 10:10 PM.
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Old 03-24-2011, 10:27 PM
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Ultrashock
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Codes I'm getting are air injection system and evap ctrl valve.

Failed inspection with flying colors. Not sure if disabling them in a tune would make them show 'not ready'. My buddy's read N/A and he passes every time.

So should that hose coming off the sensor be a lot longer?
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Old 03-24-2011, 11:32 PM
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Repzard
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Originally Posted by Ultrashock
Codes I'm getting are air injection system and evap ctrl valve.Failed inspection with flying colors. Not sure if disabling them in a tune would make them show 'not ready'. My buddy's read N/A and he passes every time.

So should that hose coming off the sensor be a lot longer?
yes..that hose goes from the evap solnoid to a black piece (which you have , looks like in pic) then from there its goes to another hose then to your intake manifold .

if you dont hear any vac leaks look for a plug (could be blocked off) in the back area of intake .
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Old 03-25-2011, 05:06 AM
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Old 03-25-2011, 05:18 AM
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uberstang1
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That peice is part of the EVAP system thats why you are getting the code, the secondary air injection system is completly different, that consisists of an electric air pump which is located int he passenger fenwerwell which runs to the two check valves then into the exhaust manifolds.
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Old 03-25-2011, 11:02 AM
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Ultrashock
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Originally Posted by uberstang1
That peice is part of the EVAP system thats why you are getting the code, the secondary air injection system is completly different, that consisists of an electric air pump which is located int he passenger fenwerwell which runs to the two check valves then into the exhaust manifolds.
Yeah I know it has to do with the air pump. I heard sometimes the connection gets corroded or the pump goes bad itself. Were in the fender well is it located?

I was gonna go with a tune soon and just have it shut off. My buddy's shows up N/A on his emissions and passes. I'm hoping I'd show the same and not, 'not ready'.
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Old 03-25-2011, 04:06 PM
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I found the problem. It is actually was going to the TB. You can see where the hose was cut and capped off with a screw. Any idea why someone would do this and not just replace the damn hose?
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Old 03-26-2011, 10:47 AM
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JRad405
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It's called laziness. It's a worldwide epidemic.
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