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Old 11-06-2008, 07:08 PM   #2 (permalink)
Master EcoModder
Join Date: Aug 2008
Location: South Dakota
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WonderWagon - '94 Ford Escort LX
Last 3: 51.52 mpg (US)

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Originally Posted by modmonster View Post

maybe my car has no vacuum ? is this possible?
Only when the engine is turned off.

You need a vacuum source coming from a simple (no diaphragm or accumulator) fitting on the intake manifold.

If there is no such fitting, examine the intake manifold for a plugged threaded hole. In which case remove the plug and screw in a suitable fitting purchased from you local auto parts store.

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