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Miles-Per-Gallon Gauge

11 messages,  Last post on Aug 20, 2006 at 9:07 PM

You are in the Speed Shop Tuning and Modification Forum.

What is this discussion about? Fuel System, Fuel Efficiency (MPG)

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#1 of 11 Miles-Per-Gallon Gauge by 95xjjeepster

Jan 27, 2006 (2:44 pm)

JC Whitney sells a product called the Miles-Per-Gallon Gauge that I’m considering installing on my 95 4.0 Jeep Cherokee. It costs about $28 (less shipping) and I hear it’s basically a glorified vacuum gauge. Have anyone heard anything positive or negative about this product, have an opinion one way or the other as to its accuracy and heard how it's installed?
 
Also, does anyone know of any other aftermarket fuel mileage gauges that compare the actual flow of fuel to the driveline/tire rotation to measure fuel economy? Thanks.

#2 of 11 Re: Miles-Per-Gallon Gauge [95xjjeepster] by jneal

Jan 27, 2006 (3:30 pm)

Replying to: 95xjjeepster (Jan 27, 2006 2:44 pm)
You heard correctly. J.C. Whitney has been selling those things since I was a kid (long,long time ago) and they are simply a vacuum guage with a different face......Not in the least bit accurate but will help you improve your driving habits so as to get better mpg.
Not sure if there is anything else out there that would actually measure fuel economy on your particular vehicle but I doubt it would be as inexpensive if so.

#3 of 11 Re: Miles-Per-Gallon Gauge [jneal] by 95xjjeepster

Jan 30, 2006 (1:50 pm)

Replying to: jneal (Jan 27, 2006 3:30 pm)
This product appears to be a one-gauge-fits-all type of deal. Would it have to be configured in any way for my particular engine type or is intake manifold vacuum, as it relates to fuel efficiency, the same for all engines? Any idea how this product is installed?

#4 of 11 Re: Miles-Per-Gallon Gauge [95xjjeepster] by jneal

Jan 31, 2006 (8:51 am)

Replying to: 95xjjeepster (Jan 30, 2006 1:50 pm)
One-size fits all.......
It is nothing more than a standard vacuum gauge measuring intake vacuum. You will have to Tee into a existing line. Kit should include any necessary fittings....if not, any good parts house will have the appropriate fittings to splice into your vacuum line.

#5 of 11 Toyota Prius fuel gauge 2006 by rjrisk

Aug 20, 2006 (8:01 pm)

My fuel gauge didn't come off of full till I had 300 miles on the car and then it dropped four notches. Is it just my car or are other Prius owners having similar problems? and is there a fix out there anywhere?

#6 of 11 Re: Toyota Prius fuel gauge 2006 [rjrisk] by steve_ HOST

Aug 20, 2006 (9:07 pm)

Replying to: rjrisk (Aug 20, 2006 8:01 pm)
Hi Rjrisk, I think I'd ask in the Toyota Prius: MPG-Real World Numbers or the Toyota Prius: Problems & Solutions discussion.

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