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Old 09-17-2003, 02:11 PM
bdlefferts bdlefferts is offline
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Join Date: Jun 2002
Posts: 45
190e Should fuel pressure regulator hold vacuum?

'91 190e 2.6--

Should the vacuum port on the fuel pressure regulator hold vacuum if testing with a MightyVac? As of now, mine doesn't. There isn't any fuel leaking out of the vacuum line but it does smell and "taste" like fuel.

Also, what does the EHA do and how do I test it? I have a small bit of fuel pooled on the back side of it near a tiny hole between the two mounting screw heads.

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