Mileage 2000 AC vs. 2006 DC both w/4.7 - Toyota Tundra Forums : Tundra Solutions Forum
 
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post #1 of 10 (permalink) Old 09-06-2014, 07:03 PM Thread Starter
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Question Mileage 2000 AC vs. 2006 DC both w/4.7

Ok fellas, trying to make some sense of this. I just gave my 16yo my old 2000 AC w/235,000 miles on it. The only drivetrain mod is a K&N CAI. He's getting 16.5 mpg w/oversize mud tires doing about the same driving that I am. I'm in a 2006 DC X-sp with no drivetrain mods and I can't get anything better than about 15 mpg. I have cleaned the throttle body, MAF sensor, checked the plugs, ran 2 cans of Seafoam through her and changed the oil to Amsoil 5W-30 (the same oil that's in my old 2000). What gives? With the extra gear in the tranny, I would think that the DC should be getting slightly better mileage - not worse! Any other ideas? Is the CAI giving the old truck a little better MPG? Thanks for any help guys.
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post #2 of 10 (permalink) Old 09-06-2014, 08:01 PM
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

I have had my 2006 DC since new and have always averaged 15mpg. I did manage maybe 16.5 on an interstate going 75mph the entire way. Mine is bone stock with 140k miles right now.
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post #3 of 10 (permalink) Old 09-15-2014, 03:31 PM
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

bigger, heavier truck. 15 mpg is the norm on summer fuel with ethanol and down 1.5 on the winter crap.

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post #4 of 10 (permalink) Old 09-15-2014, 07:40 PM Thread Starter
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

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Originally Posted by SuckersWalk View Post
bigger, heavier truck. 15 mpg is the norm on summer fuel with ethanol and down 1.5 on the winter crap.
I hear you on the bigger heavier truck (about 500lbs), but EPA ratings are better on the '06 than the '05 - probably due to the extra gear in the tranny.
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post #5 of 10 (permalink) Old 09-15-2014, 08:16 PM
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

probably not. the 05 & 06 are the same.

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post #6 of 10 (permalink) Old 09-15-2014, 10:48 PM
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

Maybe the 2 speedo's are not the same. So you might not be comparing apples to apples.

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post #7 of 10 (permalink) Old 09-16-2014, 02:51 AM
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

Quote:
Originally Posted by tb714usr View Post
Ok fellas, trying to make some sense of this. I just gave my 16yo my old 2000 AC w/235,000 miles on it. The only drivetrain mod is a K&N CAI. He's getting 16.5 mpg w/oversize mud tires doing about the same driving that I am. I'm in a 2006 DC X-sp with no drivetrain mods and I can't get anything better than about 15 mpg. I have cleaned the throttle body, MAF sensor, checked the plugs, ran 2 cans of Seafoam through her and changed the oil to Amsoil 5W-30 (the same oil that's in my old 2000). What gives? With the extra gear in the tranny, I would think that the DC should be getting slightly better mileage - not worse! Any other ideas? Is the CAI giving the old truck a little better MPG? Thanks for any help guys.
I have done the above maintenance to my truck also and best i have gotten is 16.58 MPG in my 2001 Tundra 90% Highway <70Mph. 285/75/16 Coopers so i look at the trip meter before filling up and the calculation is: Trip Meter Times .073 , then add trip meter, then divide that number by the gallons filled. ex 340 x .073=24.82 + 340=364.82 divided by 22=16.5827 MPG

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post #8 of 10 (permalink) Old 09-16-2014, 04:28 AM Thread Starter
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

Quote:
Originally Posted by cheapskate View Post
Maybe the 2 speedo's are not the same. So you might not be comparing apples to apples.
I've checked this on GPS, the MPG calculations are the same.
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post #9 of 10 (permalink) Old 09-19-2014, 08:18 AM
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

We just returned from a trip in my wife's '01 Sequoia: Oklahoma City to Taos, NM, to Durango, CO, to Ouray, CO, and back. It was 2,204 miles at 18.4 mpg overall, and all of it was using non-ethanol gas.
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post #10 of 10 (permalink) Old 09-19-2014, 05:49 PM
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Re: Mileage 2000 AC vs. 2006 DC both w/4.7

2004 DC mileage in signature. Running a tank average of mostly in town from 16 - 18 MPG depending on what I am hauling and how often. Includes the mowing route (no trailer at this time) and runs to Lowes and such. I am also running with a burnt cat in limp mode. Over the winter I ran low 20's on the highway. I have done an enormous amount of R&D (read: made A LOT OF EXPENSIVE MISTAKES) to get where I am at. My goal was to be in the mid 20's this summer but that did not happen.

355,164 miles on the odometer [come see me when you get that on your ford]



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