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post #3 of (permalink) Old 11th August 2006
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Yep, the Renault trip computer range wimps out just when you need it the most. Their excuse is that you should fill up ASAP after the warning light comes on (to stop the dregs in the tank clogging the pipes, probably) but I reckon that's cobblers, considering that other manufacturers have computers that count down to zero.

In my experience, you have less than 2 gallons remaining when the light comes on. If I had to guess a figure, I'd say it's around the 1.8 mark, but they're not necessarily consistent (even in the same car.)

It's probably safe to assume that you have a little over 1 gallon left from when the light comes on, so look at your average MPG and if you have more than that many miles left to go, you'll need to fill up.
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