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Old 01-27-2015, 05:59 PM   #7 (permalink)
COcyclist
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Join Date: Dec 2007
Location: NW Colo
Posts: 738

TDi - '04 VW Golf
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90 day: 53.2 mpg (US)
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Quote:
Originally Posted by Jooseppi Luna View Post
I just set up an UG in the Corolla last Monday, and when I am coasting in gear (which I avoid as much as possible), the UG reports MPG readings in the hundreds, but not the 999.9 MPG that I would expect to see. This has been the case all the way from 3k to 1.1k RPM, so it's not like DFCO is just kicking in at certain RPM ranges. Any idea what's going on? The Corolla should have DFCO right?
I got the ScanGuage first and got used to it in my TDi. I picked up an Ultraguage and have been disappointed. Evidently it will not show DFCO in a diesel at all and the instant mpg was way off when I calibrated according to the manual for my Grand Cherokee CRD. I had to set the engine size to 1.1 liter to get it close. I should have spent a little more and gotten another ScanGuage, especially in the diesel. More user friendly too IMHO.
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Quote:
Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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