5.2L Bad gas mileage
#1
5.2L Bad gas mileage
Does anyone know why I get such bad gas mileage? Overall gas mileage on my overhead is 11.4mpg average. When I first got the truck(about a year ago)it had the Mopar Computer in it and was only getting 9mpg then I put the stock computer back in and programmed the Hypertech.People have told me that it's my tire size and I should re gear but I really don't want to spend the money to re gear it. Thanks
#2
RE: 5.2L Bad gas mileage
what gears do you have now? my truck gets 21mpg with 31" and 3.55 gears.
when was the last time you did a tune up. that helped mine alot. and when my O2 sensor went I dropped down to like 15mpg.
if you have 3.55 I would go to 4.10 if you dont do alot of highway driving.
when was the last time you did a tune up. that helped mine alot. and when my O2 sensor went I dropped down to like 15mpg.
if you have 3.55 I would go to 4.10 if you dont do alot of highway driving.
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#6
RE: 5.2L Bad gas mileage
the main thing to get a good mpg is to keep up the maintenance on it. keep the tires at the right psi, change plugs, oil etc...
I hardly every baby mine with a light foot cause I love to hear the exhaust.and I still get around 20 doing that.
I replace all my fluids with synthetic. thats all I run now. I bet I could get 22+ if I babied it and never stomped on it. but thats not gonna happen. if I get 18+ im happy. my truck has 205,000kms and sill goin strong.
I hardly every baby mine with a light foot cause I love to hear the exhaust.and I still get around 20 doing that.
I replace all my fluids with synthetic. thats all I run now. I bet I could get 22+ if I babied it and never stomped on it. but thats not gonna happen. if I get 18+ im happy. my truck has 205,000kms and sill goin strong.
#7
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#8
RE: 5.2L Bad gas mileage
My truck does mostly all highway driving. I haven't done a tune up yet. It's a 99 and I only have 64k miles on it. I've had it for about a year and average only725 miles a month.I do keep my tire psi where it should be. I guess it kinda sucks cause other people have 33's and get better gas mileage. If I could get 15mpg I would be happy. It's been getting worst since it's cold out, today my gas light came on and I only got 170 miles to the tank.
#10