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Old 03-23-2011, 10:42 AM   #1
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Vacuum lines?!

ok, I for sure have a vacuum leak on my engine somewhere. its a 2003 zx3, 2.0 ztec DOHC MFI. can someone please give a description or picture of the locations of the vacuum lines on this motor? any help would be amazing!

focus on my tailgate! since its what you will see.
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Old 03-23-2011, 11:08 AM   #2
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Most common is the PCV hoses. They go from right side in front, Just behind the exhaust mani, all the way around over the transmission, to the intake manifold. As it turns 90* towards the intake, at that bend is usually where it will crack, or get so soft it will collapse , while the engine is running...also check the throttle body gasket .
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Old 03-23-2011, 11:12 AM   #3
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Try this link for routing diagram:
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Old 03-23-2011, 11:28 AM   #4
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Just be grateful you do not have a duratec with that same problem.
2005 Focus ZX4 SE: Pitch Black 78K Miles. Now with BoBo.
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Old 03-23-2011, 01:56 PM   #5
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Originally Posted by LJGoose View Post
Just be grateful you do not have a duratec with that same problem.
hahah agreed .. the duratec has random vacuum lines in the weirdest places .. and who the hell puts a pcv valve and hose under the intake manifold.. LOL
A few years ago, I went to the gym for several months and lost 30 pounds. That must be worth about 1% more fuel economy in the city.
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