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.

vaccum lines.....

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Old 10-04-2005, 05:33 AM
  #1  
94ford5liter
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Default vaccum lines.....

Well after testing the egr valve, the egr sensor, and vaccum line, it turns out its the vaccum line. It has no vaccum in it, so i must have a vaccum leak. The vaccum hose right next to that one connected to the intake manifold has no vaccum either. I was wondering where do those vaccum lines go to, and can you order the whole lines or you have to just buy the hose from a auto parts store?
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Old 10-04-2005, 07:42 AM
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Quik
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Default RE: vaccum lines.....

they go to the intake. no vaccum isnt good. your motor makes the vaccum. if you dont have vaccum you could have a motor problem

do you have blow bye? do you have good compression? start getting gauges out and testing
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Old 10-04-2005, 06:15 PM
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94ford5liter
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Default RE: vaccum lines.....

they go to the intake. no vaccum isnt good. your motor makes the vaccum. if you dont have vaccum you could have a motor problem

do you have blow bye? do you have good compression? start getting gauges out and testing
Today I'm going to run a compression check, and see what's up. If it turns out the motor is bad, depending on the state of the problem, might just get rid of the car. Just got a job as a pizza delivery person and wouldn't be able to not have a car for several weeks. I'm thinking i
m just going to get a notchback with an already rebuilt motor and rebuilt rear end, or low miles. Didn't think about it at the time, but 500 or 600 pounds lighter is a huge difference in the quarter mile.
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Old 10-04-2005, 11:02 PM
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Default RE: vaccum lines.....

I replaced the sensor on top of the valve, and that seemed to be the only problem lol. Now i ran the diagnostic, and no error codes came up.
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