Vacuum leak

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1993BlackSHO

SHO Member
Joined
May 3, 2007
Messages
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Location
Arlington, TX
OK the engine is in and running but I think I have a vacuum leak. I had to pull off the intake to change the wiring harness from mine to the 95 motor. So I think something did not seal right or is not plugged in.

Checked codes and KOEO passed and the KOER test gave me an O2 lean code (dont remember the number).

I think I can hear it and is sounds like it is comming from the passengers side of the intake. It looks like it is seated to the block, and I cant see any tubes unplugged. The secondars are closing, so it must not be too severe. But the car is definately lacking in power. I could hear the secondarys open at 4k but the power just was not there.
 

Phoenix

SHOHOLIC
Joined
Mar 2, 2007
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QC , Canada
I use brake cleaner , have the engine running , and spray where you think there's a leak. You will find it when the engine will rev weird.

Carb cleaner can work to , or propane with a little hose.
 
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