Question about 2006 Jeep Grand Cherokee

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Economy Is it more economical to drive in 2 wheel than 4 wheel

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Any vehicle that has to drive its own wheels requires horsepower. The more wheels that require power the more energy spent. If you only require 2 wheel drive to get you along that is good. Sometimes 4 wheel drive is needed. 4 wheel drive is needed in drastic situations. Does 2 wheel drive and 4 wheel drive differ? YES The power required to drive 4 wheels is increased 5.7% as to run 2 wheels. 4 wheel drive should be used at slow speed to overcome loss of traction of 2 wheel drive.
I hope this helps Moe

Posted on Apr 24, 2009

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If you run it in 4 wheel drive on dry roads it will damage the 4 wheel drive assembly always use 2 wheel drive when save

Posted on Dec 18, 2011

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What is the fuel economy for a 2001 hyundai santa fe ? is it normal to go throu gh half a tank of petrol in 3 to 4 days ?


Average for a V6 engine 2 wheel drive model is 20mpg. That is 20 miles per gallon US.
If you have an 18 gallon tank, you could expect 180 miles on a half tank of fuel. Again, this is US measurements.

Sep 06, 2012 | 2001 Hyundai Santa Fe

1 Answer

I just purchased a 2011 T&C. There is no information in the owners info on the Pentastar engine or about the econo mode. What it does how it works and when do you use it or turn it off. Do you have...


You've got a 283 hp pstar engine with a vehicle with all the accessories that you can ask for. Here is an excerpt from an internal chrysler memo regarding your vehicle.

The Town & Country gets a new, simplified powertrain lineup for 2011. The new Pentastar 3.6-liter V-

6 engine that produces a best-in-class 283 horsepower and 260 lb.-ft. of torque, yet delivers excellent

fuel economy, powers the entire lineup. The Pentastar V-6 engine is mated to Chrysler Group LLC's

62TE six-speed automatic transmission. Chrysler Group was the first manufacturer to offer a sixspeed

transmission in a minivan, debuting on the 2008 Chrysler Town & Country. New for 2011 is a

fuel economizer mode switch, a driver-selectable engine economy mode which assists drivers to
maximize fuel efficiency while driving. All the economy mode really does is to take the transmission out of sort mode which means it will have lower shift points and not rev up and produce as much torque as it would otherwise that's all. You should get around 17mpg city and around 24 highway dependant on your driving habits. It is your personal preference whether you choose to use this function or not. Try using it in econo mode for 2 weeks and without for 2 weeks, to notice the difference while driving and fuel economy, then you can decide your preference. Nice vehicle

Mar 03, 2011 | Chrysler Town & Country Cars & Trucks

1 Answer

What is th most effective way to get better fule economy from my 2002 gmc sierra 2500hd 4 wheel drive


best way to get good fuel economy. buy a smaller vehicle. (just kidding) if you want to get the best fuel economy your truck can get there are a few simple things to do.
first. do a tune up. replace your plugs, wires, and if you engine has a cap and rotor replace these too. if your truck is coil driven to the plugs. make sure your coils contact points are clean. you can do this with a small soft wire brush. DONT use sandpaper or a hard wire brush as they scratche the surface on the coil contact badly and leave places for water to condensate and create corrosion.
next replace your air filter this allows your engine to get the best air to fuel mix by making sure the engine gets the proper airflow.
third. make sure your tires are inflated to within 2 psi of the max the tire will hold. having a properly inflated tire makes the vehicle roll easier and cuts down the amount of fuel required to get it moving and keep it moving. it also saves on tire wear at the same time.
while doing this you might want to check your oil and replace the oil and filter if it needs it.
as far as aftermarket mods that supposedly increase your fuel economy. there are none that give you that miracle increase in your fuel mileage.
you might be able to get better fuel economy by opening your exhaust a little by going to a slightly bigger exhaust size coming off the engine and going all the way back. no more than 20% bigger than your stock exhaust. this allows the exhaust to escape the engine more easily and allows it to work more efficiently.
i actually picked up about 3/4 to 1 mpg more economy on my truck by going from 2 1/2 exhaust to 2 3/4

Mar 01, 2011 | 2002 GMC Sierra 2500HD

5 Answers

When replacing tires do you have to replace all 4 can you replace 2


do the two on each axle at a time if that is what you are inquiring about

Jul 30, 2010 | 2002 Oldsmobile Bravada

2 Answers

How can you see if you have allwheel drive and how do you put in.I just bought it with no books


look under vehicle if u have axles at back and front u have allwheel also look around on trim should have an awd badge on it and if still unsure call a dealer and give him ur vin number and they can tell u

Mar 02, 2010 | 1999 Honda Passport

2 Answers

Is 2002 jeep grand cherokee fuel economic?


most likely not, but you can improve it by keeping your foot off the gas and brake , so to speak 

Sep 27, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Just want to know what the gas milage is on the mercury villager


1997 Mercury Villager FWD Van 1997_mercury_villager.jpg Fuel Economy Fuel Type Regular MPG (city) 16 MPG (highway) 21 MPG (combined) 18 Fuel Economics Cost to Drive 25 Miles $3.39 Fuel to Drive 25 Miles 1.39 gal Annual Fuel Cost $2152

Aug 05, 2009 | 1997 Mercury Villager

1 Answer

Hondal accord wagon 1991 model the economy light is on for the past two weeks. i have repaired the iginition .


Hi there Just to be absolutely sure, I'm correct in assuming that the economy light should light-up when you are driving economically? If that is the case, then this works as a result of a vacuum sensor attached to the inlet manifold which sounds like it might be faulty. The sensor is effectively determining whether you are driving using a light throttle (economically) as apposed to partial or full throttle (uneconomically). Try identifying the vacuum sensor switch and check the wiring is intact and secure. If it is, simply disconnect the wires from the sensor. Drive the car and see if the light is now off all the time. If the light is still on all the time, switch off the engine and ignition, bridge the disconnected electrical connection and drive the car again. If the light is now off all the time, then it's probably the vacum sensor switch that's keeping the economy light on all the time. It's either an electrical connection, faulty switch or very simply that the vacuum hose to the switch is broken or fallen off. Best regards, Scottech

Apr 21, 2009 | 1991 Honda Accord

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