Bad Gas millage
#1
Bad Gas millage
I have a 04 Max I use to get 23.6 mpg. Two of my Three catalyst converters went. I had them replaced i also had a tune-up done with Nissan spark plugs (suppose) I now get 17.3-18.6 MPG any ideas or solutions.
Thanks
Thanks
#2
Not sure if it will help that much but when I put a performace exhaust on my 08 I think my mpg's went up a mile or two. Nothing crazy but better than nothing. I do about 19-20 now if I drive it like a normal human, which is rare! haha good luck bud
#7
Just wondering if some of these MPG variations are not due to temperature.
This year has been worst then other years for anyone in the Northern to Central parts of North America.
In Manitoba we have had temperatures in the mid -20'C to -35'C for the last 2 Months so my gas Milage is also low. City about 16 MPG and Highway combined about 20 MPG. Have not had an opportunity to do too much Highway driving yet.
Have only had my 04 Maxima for 4 months so no clue what it will do when the weather warms up.
Nice to have the Average MPG display on the Dash Screen but wish we had the option to have a display for Instantaneous MPG as well as Average.
This year has been worst then other years for anyone in the Northern to Central parts of North America.
In Manitoba we have had temperatures in the mid -20'C to -35'C for the last 2 Months so my gas Milage is also low. City about 16 MPG and Highway combined about 20 MPG. Have not had an opportunity to do too much Highway driving yet.
Have only had my 04 Maxima for 4 months so no clue what it will do when the weather warms up.
Nice to have the Average MPG display on the Dash Screen but wish we had the option to have a display for Instantaneous MPG as well as Average.
Last edited by acamara; 02-11-2014 at 11:03 PM. Reason: added Dash Screen wording
#8
Yeah, I consistently get 16-17mpg city this winter. When it's warmer like summer time I get around 20mpg city. This winter has been cold and temps up and down, plus my car hates the ethanol rich winter blends of gas we have now. Highway I get around 22-23mpg right now, on a long trip.
This is with new OEM coils, new ngk iridium plugs and everything tip top shape, car tuned no problems, no codes, and only 90k on the clock so I think it's normal mpg. And that's on the vq30 where you guys with the vq35 and heavier 6th gen bodies should really have even worse mpg! And I have full intake/exhaust/gutted cats and EMU so those things don't really improve your mpg.
This is with new OEM coils, new ngk iridium plugs and everything tip top shape, car tuned no problems, no codes, and only 90k on the clock so I think it's normal mpg. And that's on the vq30 where you guys with the vq35 and heavier 6th gen bodies should really have even worse mpg! And I have full intake/exhaust/gutted cats and EMU so those things don't really improve your mpg.
#13
Am on my third Cat... if you replaced the Cat, then you should also replace the O2 Sensors......Bad Cat will burn the Sensors = poor MPG.
Add Sea Foam to tank on full up... add all about 200 miles before oil change. Change Air filter, plugs, PVC (mostly neglected item)...
I get 24 mpg on summer.... 23 in winter.....
Add Sea Foam to tank on full up... add all about 200 miles before oil change. Change Air filter, plugs, PVC (mostly neglected item)...
I get 24 mpg on summer.... 23 in winter.....
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