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www.carcomplaints.com/Saturn/Vue/.../power_train-automatic_transmiss... The 2003 Saturn Vue has 200 NHTSA complaints for the power train:automatic ... At 76,000 miles when accelerating to get on highway, the RPM's were roaring .... Car junked, waste of over $20,000, I can't believe there has been no recall. ... we think this problem makes this model a lemon from the beginning. ... Nov 192004 ...
the car is fitted with a fuzzy logic gearbox,computer controlled within the engine management system.it will try to make you drive as economically as possible taking into account the gas pedal possition/road speed and load.it will also adapt to your driving skills.
so if you drive in town all the time it will change at higher revs and out of town, if you accelerate gently,lower down the rev range.Try this.without using the gas pedal put the car in drive and let the car do the work,it will accelerate on its own upto 4th gear.
then try again, from stop, keeping your foot about 1/3rd down on the gas and let the car do the work try not to move your foot.then, if you can, drive using only a max of 1/3rd gas pedal all the time and you will find within 100 miles the car has adapted to this and your gas mileage will go thru the roof. also the car will adapt to high grade gas.adjusting engine output to match.
Most likely there is a hole in the air tube. Open the hood and check the rubber tube on top of the engine. If there is a rip, just cover it with some heavy duty tape and it will help on a tempory basis.
good chance you have a clogged cat converter ...with engine running have someone rev engine and see how much flow you have out tail pipe. also if you hear the sound of something rattling inside exhaust that is another tell tale sign
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