My 2004 Envoy on the freeway will lose acceleration when it goes into passing gear The RPM indicator shows 4500 RPM and will not exceed that and I am reduced to 55 MPH which takes about 4-5 miles to get back to highway speeds. Its as if the engine bogs down
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www.teslamotors.com/.../sudden-loss-power-while-driving-... Tesla Motors
Dec 16, 2014 - 31 posts - 21 authors
My car is back at the factory getting "worked on"...sudden loss of Power and control while driving on the freeway...has anyone else experienced this? ... My son was driving his '04 Volvo on the highway, when all of the sudden the car started slowing down, despite how much he ... Last I heard they were 60.
The overheating could be alot of things. Could be the fan or thermostat or leaking water and on and on. If the tow does not disengage the truck will run in a lower gear causing more gas use.... Hope this helps but just a guess without looking at it.... Good luck
the "O/D OFF" indicator light let's you know that your car is not in over drive. if you are just driving around town at relatively low speeds you probably wont notice a difference whether the button is on or off.but the next time you are driving on the freeway(55+mph) and want a little extra speed(overtaking another vehicle),click that button to the off position and you should hear the car shift into a lower gear which will instantly give your car more torque at a higher rpm to help you complete your pass ie- your cars"passing gear"
From what you posted,it may be a few different problems.BUT.The 1st thing I would look at is the cat/converter may be blocked.Hey.It may not be.But look at that before you spend any money on other stuff.I just thought.How is your air filter.Take it out and take the car for a short run and see how it goes.This may show what is wrong.Hope this helps