Thread: 99 ford ranger
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Old 07-17-2018, 03:43 PM   #5 (permalink)
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Join Date: Jan 2008
Location: SE USA - East Tennessee
Posts: 2,312

Josie - '87 Toyota Pickup
90 day: 40.02 mpg (US)

Felicia - '09 Toyota Prius Base
90 day: 52.3 mpg (US)
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Skip the vacuum gauge

A Scangauge will do everything you're asking the vacuum gauge to do, and be a lot more precise.

I have a carbureted Toyota Truck, pretty similar to yours in specifications except it's about as computerized as a 2x4. I have a vacuum gauge and frankly it's a letdown.

It's lost calibration twice (fixed it once, haven't bothered since) so it's really only good for showing whether you are pulling a little more or less vacuum moment to moment. An SG will give you much clearer information.

Lead or follow. Either is fine.
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