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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 07-15-2012, 04:55 PM   #1
tinospony

 
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Default Vacuum Diagram

does anyone has a GT vacuum diagram ... im looking for these lines...
the one that goes on the intake makes my car run rich ... i dont have smog pump ... i just need the most detailed diagram to see where else they go
thanks


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Old 07-15-2012, 05:03 PM   #2
mattdel
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green goes to egr solenoid, red goes to air injection solenoids, not sure about the whites
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Old 07-15-2012, 05:29 PM   #3
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There should be Red, Green, Black and White

Red: to back of intake vacuum.

Green: to EGR

Black: to Air Bypass valve

White: to Air Diverter Valve
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Old 07-15-2012, 06:07 PM   #4
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If you dont have the smog pump you can plug off the white and tan colered ones. The red goes to feed the egr vacuum solenoid and also splits off to feed the air pump solenoids. the green is the return signal to the egr valve. The white and tan ones are the return signal to the smog pump valves. If you dont have the egr or the smog pump you can leave em all unplugged and just cap off where the red one goes to the intake as it is just a feed for all the others.
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Old 07-17-2012, 02:24 PM   #5
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thanks ppl!
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Old 07-17-2012, 02:29 PM   #6
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Quote:
Originally Posted by ALMOST STOCK View Post
There should be Red, Green, Black and White

Red: to back of intake vacuum.

Green: to EGR

Black: to Air Bypass valve

White: to Air Diverter Valve

nice fox by d way
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Old 07-18-2012, 10:24 AM   #7
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Quote:
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nice fox by d way
Thank you..
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Old 07-23-2013, 01:24 AM   #8
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can anyone tell me if the map sensor is supposed to have vacumn going to it and if so where does the vacumn come from????? 5.0 is running real rich....
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Old 07-23-2013, 04:37 AM   #9
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Quote:
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can anyone tell me if the map sensor is supposed to have vacumn going to it and if so where does the vacumn come from????? 5.0 is running real rich....

There is a speed density section for cars equipped with map sensors,

but , Yes the map sensor does have vacuum . It is direct from the manifold upper intake .
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Old 07-23-2013, 06:59 AM   #10
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The vacuum line for the MAP sensor comes from here.
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Old 07-23-2013, 06:59 AM
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