poor gas mileage
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Senior User
Joined: Dec 2003
Posts: 138
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From: Edmonton
poor gas mileage
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hey there I currently own a 93 ford ranger 3 litre 5speed i am only getting 400 km per tank ,it works out to about 10 kms to the litre i notice when im in 5th gear @110 kmph the rpm is at around 2500 rpm what can i do to improve my miliage should i look for a new rear Axle with a hyigher set of gears
hey there I currently own a 93 ford ranger 3 litre 5speed i am only getting 400 km per tank ,it works out to about 10 kms to the litre i notice when im in 5th gear @110 kmph the rpm is at around 2500 rpm what can i do to improve my miliage should i look for a new rear Axle with a hyigher set of gears
Cargo Master
Joined: Feb 2002
Posts: 2,414
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From: Tucson USA
depends on the final ratio, 110 should be around 70 mph. I have 3:08 rearend and at 75 mph (120 Kh) I am turning 2500 or just under and I am getting consistent 20 MPG and 350 or so m/tank.
With this being said I think you need to get to a shop for a complete tune up, plugs, wires, air filter etc, Also check for plugged cat converter and sensors gone bad. potentially even a bad computer. Only way to find is thru a complete diagnostic on a scope with computer link up.
Before you look for the rearend, look for the ratio you have its posted on driver door jamb or get out mark the driveshaft and mark the tire and count the revolutions its takes the drive shaft for 1 revolution of the tire. you should have 3:73 or 3:45 were soem of the options. But you are not far off from what I have and Again I have a 3:08 the highest you can get.
With this being said I think you need to get to a shop for a complete tune up, plugs, wires, air filter etc, Also check for plugged cat converter and sensors gone bad. potentially even a bad computer. Only way to find is thru a complete diagnostic on a scope with computer link up.
Before you look for the rearend, look for the ratio you have its posted on driver door jamb or get out mark the driveshaft and mark the tire and count the revolutions its takes the drive shaft for 1 revolution of the tire. you should have 3:73 or 3:45 were soem of the options. But you are not far off from what I have and Again I have a 3:08 the highest you can get.
Senior User
Joined: May 2003
Posts: 234
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From: Grande Prairie, Alberta,
Going with 10km=6Miles & 1 Liter of gas x 4.54 = 1 imperial gallon then your milage is 6 miles per liter x 4.54 Liters per imperial gallon or 27.24 mpg.
US gallons are smaller (just like thier Footballs) 3.9 Liters = 1 US Gallon so 6x3.9=23.4 as Delta had allready listed.
US gallons are smaller (just like thier Footballs) 3.9 Liters = 1 US Gallon so 6x3.9=23.4 as Delta had allready listed.
Senior User
Joined: Feb 2004
Posts: 143
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From: Central IN
The new 3.0 seems worse on gas than the older ones. My cousin has a 2002 3.0 in a 2wd Ranger and he swears he only gets 18 mpg on the highway. My 94 is much higher than that.
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Elder User
Joined: Feb 2002
Posts: 586
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From: Covington usa
That's very true Delta, the weight of the 4x4 XLT is more than the 3 ltr should have... my wife has the 3ltr in her Ford compact car and sge get great pick-up and go and super gas mileage, but my truck does weight twice as much as hers, 
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Elder User
Joined: Apr 2002
Posts: 858
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From: Kentucky
Yaeh, the rpm's at 70 mph are not that high, I would let the axle alone and get a full tune-up including air and fuel filter changes. As mentioned, 23.5 mpg is pretty good for a 3.0, that is better than the 2004 model sticker mpg rating.
Freshman User
Joined: Jun 2004
Posts: 49
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From: SOUTH WEST FLORIDA
Lots Of Numbers Floating Around! I Understood You To Say About 400k To The Tank. Are Your Mileage Numbers Based On The About 400 K To The Tank Or Are You Actually Recording Your K's Driven And Litre's Purchased? A SMALL DIFFERENCE IN K'S OR LITRES CAN MAKE A DIFFERENCE IN WHAT YOUR REAL ECONOMY IS.
One K Is Equal To 0.66 Miles. I Usually Think Of A K As 2/3 Of A Mile And That's Real Close. 3.785 Liters Are Equal To One Us Gallon. Imperial Gallons And Us Gallons Are Not The Same.
If Your Getting 10k/l Then Your Getting 6.6 Miles/liter And At 3.78 Litres Per Gallon Your Getting 24.98 Miles Per Gallon. To Me That's Great As I Get About 18mpg On My 98 4.0 4x4 Ranger.
One K Is Equal To 0.66 Miles. I Usually Think Of A K As 2/3 Of A Mile And That's Real Close. 3.785 Liters Are Equal To One Us Gallon. Imperial Gallons And Us Gallons Are Not The Same.
If Your Getting 10k/l Then Your Getting 6.6 Miles/liter And At 3.78 Litres Per Gallon Your Getting 24.98 Miles Per Gallon. To Me That's Great As I Get About 18mpg On My 98 4.0 4x4 Ranger.
Junior User
Joined: Nov 2003
Posts: 55
Likes: 0
if your truck has high mileage and the O2 sensors haven't been changed, I would recommend changing them. I have a '92 3.0 liter with 115k miles and I changed the sensors with improved performance and slight increase in mileage. Try it..it may help.
xltdawg
xltdawg
Posting Guru
Joined: Jun 2003
Posts: 1,777
Likes: 1
From: Perry,Ga.
25 Miles Per Gallon.Thats great milage of a 3.0L.I still think the 3.0 needed to stay in cars ,it just aint got the power range needed for the RANGER.Go back to the 2.9 l for the RANGER.Just one of FORDS better ideas I guess.
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