Engine vacuum diagram

Tiny
STEVE MAZDA MAN
  • MEMBER
  • 2000 MAZDA MPV
  • 163,000 MILES
Just bought the van, owner said it was timing chain, it wasn't, he overheated it blew both head gaskets, long story short, I just finished fixing and buttoning it all up except daaaaa, I have a vacuum port missing a vacuum line and the box bolted on top of the left side (front) valve cover that has a cable that runs to the secondary intake ports is also missing the three wire plug, well question, does anyone have a vacuum diagram for where that hose comes from and also the plug for the secondary intake port controller? Oh the vacuum port is in the front side 1/2 of the intake manifold drivers side pointing to the battery, pointing horizontally and 3/8 diameter approx.
Thursday, December 13th, 2012 AT 2:45 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hello,

It does sounds like a vacuum leak here isa guide and the engine vacuum diagrams below to help fix the problem.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Thursday, December 13th, 2012 AT 3:09 PM

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