97 4runner 3.4ltr mpg??
03-14-2006, 10:24 AM
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97 4runner 3.4ltr mpg??
So I bought this runner about 6mths ago with plans to make it a camping/trail rig I got some money into it and all that good stuff now. Im totally realizing that i get like 12.5 mpg avg.. I do kinda a lot of city drive but still it sounds outragous. I might as well be driving a 77 cadilliac with a big block. Could there be somthing wrong. I do have jardire exhausat and deckplate mod but thats it as in engine. Thanks in advance 
03-14-2006, 10:37 AM
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I changed fuel filter air filter... What am i not worth my calculation haha... 210 miles on a full tank i get.. I will check MAF and 02 today.. thanks for the posts guys!!
03-14-2006, 10:41 AM
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Originally Posted by fishin4life0228
I changed fuel filter air filter... What am i not worth my calculation haha... 210 miles on a full tank i get.. I will check MAF and 02 today.. thanks for the posts guys!!
(mileage @ this fillup - mileage @ last fillup) / (gal of gas @ this fillup)
Repeat for more accuracy.
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03-15-2006, 06:20 AM
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How amny gallons are you filling up with? Sometimes I only get a little over 210 a tank but I only can squeeze in 15 gallons at fillup so that's more like at least 14mpg.
03-15-2006, 08:23 AM
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I would bet on a dirty MAF. You are right My low fuel light comes on and I drive 30-40 more miles. I start to get nervious about running out of gas, it only takes 15 -15.5 gals. The tank on a 2000 is 18.4 gals. I get 20 -21 MPG on my 2000 even when pulling a trailer up the mountains I still get 19 mpg. I just did a trip to SLC and back with 4 adults, the back full and a hitch carrier full and got 20 mpg. At 12.5 mpg you have something wrong.
03-15-2006, 08:26 AM
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Be sure you do the calc like MTL_4Runner said, fill-up to fill-up. Forget the PER TANK crap. You want per gallon, and the calculation works whether you put 4 gallons or 14 gallons in...
03-16-2006, 03:25 PM
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Originally Posted by fishin4life0228
So I bought this runner about 6mths ago with plans to make it a camping/trail rig I got some money into it and all that good stuff now. Im totally realizing that i get like 12.5 mpg avg.. I do kinda a lot of city drive but still it sounds outragous. I might as well be driving a 77 cadilliac with a big block. Could there be somthing wrong. I do have jardire exhausat and deckplate mod but thats it as in engine. Thanks in advance
I need a tune up and hope that will help! it sucks!
03-17-2006, 08:09 AM
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Actually I've been getting over 230 a tank lately (I think tire pressure was low before) and only getting 14 gallons in when I think it's empty so I'm up just over 16mpg which I can deal with.
03-17-2006, 11:01 AM
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Im getting about 15 to 17 mpg right now. On long freeway trips its closer to 19. I recently did the fuel filter so I hope it goes up a little more (fingers crossed).
When I got the truck the mpg was bad but it improved after running an injector cleaner, changing the plugs, wires and air filter. Cleaning the MAF is next and the O2 is dead last on my list.
When I got the truck the mpg was bad but it improved after running an injector cleaner, changing the plugs, wires and air filter. Cleaning the MAF is next and the O2 is dead last on my list.
03-17-2006, 12:52 PM
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is there much of a diff between the 3.4L in gen2 vs gen3?
seems like the gen2's get worse MPG.
im stock and get 300mi+ b4 the idiot light comes on, never had below 18mpg
seems like the gen2's get worse MPG.
im stock and get 300mi+ b4 the idiot light comes on, never had below 18mpg
03-18-2006, 11:18 AM
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Don't forget to count any discrepancies with over sized tires... my 33's have my numbers (both speedo and odo) off by about 18%, and consequently, my mpg figures as well. Even so, my gen1 3.0 (lifted with the 33's) only gets 14mpg, my old gen1 with stock tires gets 17mpg, and my gen2 3.0 got 15 before the thrown rod.
Last edited by Toyo-Mama; 03-18-2006 at 11:19 AM.
03-24-2006, 07:50 AM
#19
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Originally Posted by Toyo-Mama
Don't forget to count any discrepancies with over sized tires... my 33's have my numbers (both speedo and odo) off by about 18%, and consequently, my mpg figures as well. Even so, my gen1 3.0 (lifted with the 33's) only gets 14mpg, my old gen1 with stock tires gets 17mpg, and my gen2 3.0 got 15 before the thrown rod.
aaron
