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MAF sensor cleaned today...WOW!


Canuck4x4

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...So I bought this 2003 xlt 4.0 4x4 automatic about 2 months back. My house and job are located just off the highway so it's easy to accurately calculate fuel consumption. I travel the same route daily. 100 km/h (62 mph)..and it's 25 miles one way.


...when I first got the truck I was averaging 18 mpg. Did the airbox mod and it jumped to a consistent 20 mpg. 19.90-20.20 always in that range. I sprayed the maf sensor today with some motocraft tune up cleaner and hit the elements a good 12 times and let it air dry for a half hour before installing it.
....Took it out to see if it made a difference. Made 2 runs back to back. First one..21.83 mpg. Second one..22.10 mpg. The engine feels less " choked up " and more eager to rev.
...My girlfriend's 2015 tacoma 4x4 4 cylinder " standard " is getting about 2 mpg better than this 4.0 automatic. But her Toyota is a 159 hp slug. We are both running identical size winter tires.:headbang:
 
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Canuck4x4

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...Thats 22 mpg imperial. 4.6 litres/ gallon compared to 3.78 litres/ gallon American btw.
 

Mark_88

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Cool!

A friend recently bought the 2011 and she is getting about the same as you (most recent) and it is actually better than she was getting with the 3.0 in her 1998...

Anyway...a bit of regular maintenance goes a long way if there hasn't been much done to it...

Check the tire air pressure too...if you haven't...it can make a bit of difference just riding on the recommended PSI.
 

Andy D

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Good job ! I'm not that impressed with the fuel economy but testing it for response won't give the best MPG. Also because the Rat spends months at a time on blocks, this time with the tank out,Mileage isn't problem.... :D
 

Canuck4x4

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Cool!

A friend recently bought the 2011 and she is getting about the same as you (most recent) and it is actually better than she was getting with the 3.0 in her 1998...

Anyway...a bit of regular maintenance goes a long way if there hasn't been much done to it...

Check the tire air pressure too...if you haven't...it can make a bit of difference just riding on the recommended PSI.
..Thats with these winter tires I'm running also. They are meaty with thick lugs on them. Once I throw the Michelin defender all season tires back on in a few months...i expect another 1 or 2 mpg from the change.
 

bantyman

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What kind of airbox mods did you make ?
 

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