Gas Tank Doesnt Completely Fill

11740 Views 11 Replies 8 Participants Last post by EricSmit, Dec 30, 2016

mike1133

Discussion Starter · Dec 14, 2016

Just got a 2017 RS Hatch and did my first fill-up last week.I wanted to do a few fill-ups to see if the issue repeated itself and it did. Each time i fill my tank, the gas gauge only gets to the second to the last line on the gauge before the Full line. Also, I purposefully ran the car longer on a tank than i usually do and after averaging roughly 31mpg, I got 367 miles for a completely full tank, and upon my fill-up, it only took 11.7 gallons. I dont know if this is a new things since the tank is slightly smaller than my 2014 1LT, but figured i would post on here to see if anyone else had these issues.

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jblackburn

· #2 · Dec 14, 2016

My needle goes to full, but the most I've put in when the needle was touching E (light wasn't on) was 10 gallons. 315 miles on that one. Mostly 8-9 gallon fillups besides that. Strikes me as odd considering it's a 13.7 gal tank.

The gas tank size difference has definitely been a bit hard to get used to. The 1LT would go forever on a tank of gas - I often filled up once or twice a month and that was it.

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mike1133

Discussion Starter · #3 · Dec 14, 2016

I let it go way beyond E and drove the car about 20ish miles after the gas light came on and it only took that much fuel and got 360 miles. The fill on that tank didnt go to Full. Think i'll be calling the dealer this week.

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jblackburn

· #4 · Dec 14, 2016

FWIW, the 2 2016 sedan rentals I had went all the way to "full" as well. They had a different instrument cluster than mine.

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nathanroe72

· #5 · Dec 14, 2016

Do you try and top off your tank? If you haven't done so already, try filling the tank slower or pull the nozzle out a little bit when filling (she won't mind). Anyhow, sounds like a trip to the dealership.

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txcruze26

· #6 · Dec 16, 2016

I noticed this in a 2017 Malibu I drove as a loaner car, I filled the car up until it clicked, then waited a couple minutes and then "topped" it off.

I drove it about 50 miles in 1 day and it went down a little bit over a quarter. I was confused as to why it went down so quick

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jblackburn

· #7 · Dec 16, 2016

txcruze26 said:
I noticed this in a 2017 Malibu I drove as a loaner car, I filled the car up until it clicked, then waited a couple minutes and then "topped" it off.

I drove it about 50 miles in 1 day and it went down a little bit over a quarter. I was confused as to why it went down so quick

13.0 gallon tank in the Bu. Most in its class are 15-18.

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spacedout

· #8 · Dec 16, 2016

jblackburn said:
13.0 gallon tank in the Bu. Most in its class are 15-18.

I got so used to the 15.6 gallon tank in my Gen1 Cruze and the 400-500 mile average tanks, I was blindsided by the horrible range on my 15 Sonic with its 12.2gallon tank. Longest tank so far is just over 400 miles, and that was pushing it. Typical tank is around 300 miles.

Guess it isn't that bad, Checked the 2016 chevy spark tank size and its only 9 gallons. Even at 40mpg hwy, that only as a range of 280 miles on a good day leaving a few gallons reserve.

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Tronajc

· #9 · Dec 16, 2016 (Edited)

Question How / Where do you guys get this mileage - the most I get is 350 -400 miles per tank. (This is a combination of city and Hwy driving about a 50/50 split - drive is about 40 miles each way (630 km on 55 km drive each way). Cruze 1.4 Turbo 2013.

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obermd

· #10 · Dec 16, 2016

Tronajc said:
Question How / Where do you guys get this mileage - the most I get is 350 -400 miles per tank. (This is a combination of city and Hwy driving about a 50/50 split - drive is about 40 miles each way (630 km on 55 km drive each way). Cruze 1.4 Turbo 2013.

Practice, Patience, and Perseverance. Add a dash of luck. If you want to see how I did it follow the 800 mile tank link in my signature.

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EricSmit

· #11 · Dec 30, 2016

Mine goes to full, but it doesn't stay full very long. I got 330 out of 3/4 a tank.

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EricSmit

· #12 · Dec 30, 2016

And on the note of fuel economy, I once babied a Sonic to 66.2 MPG for the tank, so I can attest to the patience.

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