SOURCE: poor gas mileage on my jeep liberty
Did this happen overnight or was it a gradual loss? Did you do any kind
of repair before you lost the gas mialage? Is there a check engine
light on or did it come on and go off? Did anything weird happen before
the jeep got bad gas mileage? It's hard to diagnose a problem like this
without actually touching the car.
Any other info might help me steer you in the right direction.
SOURCE: jeep liberty gas mileage
when was the last time you put in fuel injector cleaner? I put in Lucas Oil Injector cleaner every other or every oil change.
There are alot of factors affecting your gas mileage. Tire wear, tire pressure, wheel alignment, air filter, fuel filter, spark plugs, oxygen sensors, just to name a few. So to say what you need is just shooting in the dark without more information. I would probably start with your oxygen sensors, and then perform a tuneup. If your vehicle pulls to one side or the other when driving on the highway you need to stop into the shop for a wheel alignment.
SOURCE: drastic drop in gas mileage
well you may need to have it serviced even though your not too hard on it. try a complete tune up and see how the milage is affected
SOURCE: poor gas mileage on my jeep liberty
change your spark plugs if they haven't been changed in awhile. check your tires for the propper psi there should be a sticker on the inside of your drivers door that will tell you recomended air pressures go by this not the recomendations on the tires. also where are you getting you gas does it contain ethanol sometimes this can burn faster.
SOURCE: 1999 Jeep Grand Cherokee Died while driving home
check the fuel pump fuse/relay, could be just bad enough to cause an intermittent start/no start. and check fuel pressure,spark and the crank position sensor.
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Hi jarretnc, I want to help you with your question, but I need more information from you. Can you please add details in the comment box? Is the engine light on? Could be the fuel pressure regulator is letting gas directly into the intake through the intake manifold vacuum port.
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