THE ELECTRIC POWER STEERING KEEPS FAILING WHILE DRIVING. SHARP TURNS, BACKING UP, OR SHALLOW TURNS THE POWER STEERING KEEPS ON GOING OUT MAKING THE VEHICLE VERY DIFFICULT TO STEER. IT ALSO WILL DO THIS RARELY ON WHILE KEEPING STRAIGHT. I HAVE TRIED DIAGNOSTIC TESTS NONE OF THE TESTS COME BACK AS FAILED. TRIED FINDING INFO ON INTERNET TO FIND OUT WHAT OTHER PROBLEMS COULD BE, BUT TO FIND OUT I AM 1 OUT OF 30 OR MORE THAT HAS THIS PROBLEM WITH THE CHEVROLET COBALT. *TR