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Fuel gauge and miles to empty display

25K views 3 replies 2 participants last post by  amc49  
#1 ·
Late last week I noticed that my fuel gauge and miles to empty display was alarming way off. I've done a little digging around on google and found reports of the 2015 Rogue having a similar issue. But nothing on my 2015 Altima, so I filled up my tank this evening and my miles to empty display said 375 miles to empty so when I got home I disconnected my battery. Miles to empty now displays 441 miles to empty.

Any thoughts????
 
#2 · (Edited)
The amount of fuel remaining is indirectly figured, it is NEVER an exact repeating amount (unless it is fake news generated by the car electronics) as it relies on the random chaotic swinging of the fuel lever (as affected by age and resistance creep) inside the tank to be calculated. If it cross-figures against the total amount at refill time then even more variable.

I would NEVER view that calculation as a rock solid number to begin with. You likely had a fuel use history in a memory there and wiping that you lost all of your history, like it was ever dead on to begin with LOL. You just showed us that it is nowhere near accurate.

Worthless crap put on cars so people will believe it. I for one view a notice like that as simply what it truly is, that you are getting low on fuel and nothing else.
 
#3 ·
I just took notice of the miles counting down very rapidly, but never mind that it's minute. I'm more concerned about a possible failing fuel pump, so I'm gonna take it into the dealer while it's still under warranty to have it looked over 51xxx. From what I've found online about the 2015 Rogues it often ended in the entire fuel pump being replaced as it's all one unit. My car still runs fine, but I just want to get it looked at anyway. And thanks again for the reply.
 
#4 ·
Well of course they replace the fuel pump, and why they begin to drive you to that conclusion. Never mind that I rebuild that fuel level part of the module for free every time I yank a pump, it is rare for them to go bad but they can read erratically to later be fixed though. If they run ethanol in your local fuel look for variances in the fuel level, the ethanol corrodes the resistor tracks used to read the fuel level.

MANY fuel pump modules get changed when they could easily be fixed, but the dealers do NOT even think about looking at that. They go after the biggest money they can generate there.