Vacuum leak...
Post Fiend
Joined: Jul 2005
Posts: 6,127
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An old tech trick (gotta be very careful) is to use a propane cylinder, and bleed a bit of propane (take all precautions to have no spark etc around and be prepared to put out a fire).
Go around the vac. lines, and hold at each location, see if the engine picks up RPM briefly.
If it does, you found your leak location.
Confirm it by seeing if a squirt of soapy water will seal it.
Go around the vac. lines, and hold at each location, see if the engine picks up RPM briefly.
If it does, you found your leak location.
Confirm it by seeing if a squirt of soapy water will seal it.
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