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Old 07-08-2008, 02:05 AM   #9 (permalink)
cfg83
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Join Date: Dec 2007
Location: Southern California
Posts: 5,864

1999 Saturn SW2 - '99 Saturn SW2 Wagon
Team Saturn
90 day: 40.49 mpg (US)
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Hello -

My mechanic used his professional vacuum gauge and it read 17 in. Hg at idle RPM. He tapped into the same connection my vacuum gauge is using.

Verdict: My vacuum gauge is crummy.

The Lesson: Don't buy cheapy Garage-Pro vacuum gauge from JC Whitney or you'll get what you pay for.

I'm working on getting a better V-Gauge.

CarloSW2
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