DOHC - 2.3L Duratec / Mazda L Engines Discussions and Topics specific to the Duratec 4 cylinder engines

Locating Vacuum Line Inputs

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Old Jan 23, 2023
  #1  
PaulMurphy8714's Avatar
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From: Ocala, Florida
Locating Vacuum Line Inputs

Greetings. I have a 2002 Ford Ranger with the 2.3l engine. About a year ago, I did some work to the intake manifold, and ended up not being able to locate the spot for the rear air hose shown in the first two pictures. I'm trying to figure out where this hose goes, and I haven't found anything online. Thank you.



 
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Old Jan 23, 2023
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RonD's Avatar
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From: Vancouver, BC
Is it a vacuum hose?

Or is it a breather hose for crankcase ventilation

Larger vacuum hoses like that go to Brake Booster or PCV Valve
OR the Breather hose for PCV crankcase ventilation
 
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Old Jan 23, 2023
  #3  
Turismolover22's Avatar
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From: Fort Wayne, IN
Originally Posted by PaulMurphy8714
Greetings. I have a 2002 Ford Ranger with the 2.3l engine. About a year ago, I did some work to the intake manifold, and ended up not being able to locate the spot for the rear air hose shown in the first two pictures. I'm trying to figure out where this hose goes, and I haven't found anything online. Thank you.

There is a pre-formed hose that goes from that nipple on the intake to the PCV valve on the driver side of the block.

It appears as though yours is missing.
 
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Old Dec 15, 2023
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eljuannonly's Avatar
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From: desert hot springs, ca

i can,t find this line anywhere, please help. penciled in green.
 
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