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bad gas milage 14-16 w/5 speed

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Old 11-15-2005 | 09:41 PM
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From: washington state
bad gas milage 14-16 w/5 speed

my buddy at work swears his 2001 qaud cab gets 20 with an auto?? i sold my comp box,run a stock afe 7 filter[maybee overoiled?]dd2 injectors,4" rip exhaust with resinator,fass 2 system.i did pull the back motor lift eye and have two open bolt holes could this cause a vacume leak?66k miles on truck.any ideas?
Old 11-15-2005 | 09:50 PM
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From: washington state
bad gas milage??

buddy of mines 01 auto gets 20 mpg???same truck but mines got a 5 speed and im getting 14-16??i sold my comp box due to smoke just about causing an accident.so dd2,stock box afe 7 air filter[maybe overoiled?],fass 2[which sticks and has to be tapped on every now and then[easy fix]].i did remove the rear motor lift eye[two open bolt holes]any ideas??i add proservice every tank[walmart stuff]??
Old 11-15-2005 | 11:22 PM
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From: Place with no quail:(
Originally Posted by bws
buddy of mines 01 auto gets 20 mpg???same truck but mines got a 5 speed and im getting 14-16??i sold my comp box due to smoke just about causing an accident.so dd2,stock box afe 7 air filter[maybe overoiled?],fass 2[which sticks and has to be tapped on every now and then[easy fix]].i did remove the rear motor lift eye[two open bolt holes]any ideas??i add proservice every tank[walmart stuff]??
Thanks, I didn't catch it the first time...

Do you drive faster? Accelerate Faster? Slam on the brakes? Idle a lot? Tire sizes the same? Tire pressures the same?

There are a lot of variables in MPG, the biggest of which is the driver, I get about what you do in town, I drive harder than some, easier than others...
Old 11-15-2005 | 11:39 PM
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Originally Posted by displacedtexan
Thanks, I didn't catch it the first time...
I merged his two threads, and didn't edit out the redundancies.


phox
Old 11-16-2005 | 10:21 AM
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From: New Meadows, Idaho
A few things to help fuel mileage...
  • Slow down If you can... There is no need to drive faster than 65 MPH
  • Check tire pressures. Some where around 55-65 PSI is good.
  • Accelerate slowly. Try to keep your boost level low.
  • Plug in your truck at night. Cold engine consumes a large amount of fuel to warm up.
  • Inspect and clean you IAT sensor.
  • Use your cruise control as much as possible but at lower speeds (55 / 65 MPH)
  • Keep your loads light if possible.
Just a few ideas... So far I'm getting about 19.5 MPG AVG and my best is 22 MPG. (55 MPH limit)
Old 11-18-2005 | 09:27 AM
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Don;t forget the gear ratio's will have a profound difference on the MPG, as well ( I just discovered ) the addition of a cap (topper) or any air obstructing add on like racks, etc. Addind a cap took my 96 auto with 4.10's from 14-15 down to 12 ish MPG with no other changes- and removal was just that easy!
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