A bit excessive
So Ive been doing a lot of highway driving (usual around 60-65 mph) and Ive been finding that H3 has been using a lot more fuel than normal.
I filled up (had a bit under quarter tank) and I put in 70 litres (18.42 gallon). I check the mileage (I reset it every time) and it was 215 miles. By my calculation that is just around 11 mpg. That cant be right. I remember I used to get a bit over 20 mpg. Or did i just dream that. I did a search and noticed a few posts that are related to engine head. I got 39000 miles on it, and its an 06 (one of the troubled head ones), but I am not showing any head issues at this point. The only mod is that I put in K&N filter. Suggestions? Marko |
Not every time, but almost always if you have the head valve issue you would have a CEL and you would notice a very rough idle.
Heve you checked your brakes? A stiff corroded caliper could drag a pad and would pull down your MPG. You might have been dreaming about 20mpg, at the 65 mph range I can get 19 in warm weather. Today it is 15F now and 19 is not gonna happen in that. |
interesting idea. Would I notice drag or brake pads burning off?
Pretty sad gas mileage for a 5 cylinder. |
My 06 gets the same... NEVER have i gotten more than 11mpg highway and or city. I have a k&n CAI too... havent noticed a difference in mpg. Mine had the head issue too.
class action lawsuit or wut? |
Originally Posted by yuflesh
(Post 200146)
interesting idea. Would I notice drag or brake pads burning off?
Pretty sad gas mileage for a 5 cylinder. There will be days when the weather sucks: cold blustery wind head on, and driving conditions are not ideal: many large hills, etc... when we get less than stellar mpg, but you should be doing better than 11-12 for sure at 60-70MPH. |
I can drive with normal tires (285/75/16) around 280miles on a fuel tank till the light with low fuel come up and around 260 with Toyo M/T 315/75/16.
I don't know if it's good or bad, and I have the 06 with 30000k. |
I gave up with the whole milage thing. I'm driving a vehicle with the aerodynamic properties of a 4x8 sheet of plywood with a weak 5 cylinder engine - good milage ain't gonna happen!! My 4.4 BMW X5 is the same - huge performance engine with not the best aero package! If I wanted good milage and it was a real concern I wouldn't have bought these vehicles. That being said - I bought these cars for their performance, looks, and comfort - I wouldn't get rid of either one!
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Originally Posted by bimbimmer4125
(Post 200171)
I gave up with the whole milage thing. I'm driving a vehicle with the aerodynamic properties of a 4x8 sheet of plywood with a weak 5 cylinder engine - good milage ain't gonna happen!! My 4.4 BMW X5 is the same - huge performance engine with not the best aero package! If I wanted good milage and it was a real concern I wouldn't have bought these vehicles. That being said - I bought these cars for their performance, looks, and comfort - I wouldn't get rid of either one!
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Actually the K&N filter should have helped you a bit. I get around 17+mpg.
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wouldnt you get better gas milage in cold weather? engine runs cooler, air is cooler and more dense,ect..?
but 11 mpg is not right, i get 17 consistantly every tank, no matter where i drive and i have '06 with the 33's |
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