Bad gas mileage

[JiP]

When the gas warning light how much gas is left in the tank? I drove about 14 miles with the gas light lit up bright, and the car was still going..Anyway I filled up only 13.5 gallons. So unless the light comes on with 3 gallons still left in the tank, then I have been calculating things wrong.

But we'll see the new calculation when I empty this tank.

[cantbeatmy97]

also depends on what u use for gas i use 89 and push 320 i was usin 87 and pushin 390 citythe better octane the less miles u get

[JiP]

I use 87 mostly. again, Does anyone have any idea at what point does the warning light come on, how many gallons are left in the tank?

[cantbeatmy97]

i believe when it comes on u have 2 gallons i filled mine on E but not idiot light came on i had bout 4 gallons left we have a 16 sumthing gallon tank