Do you mean it keeps veering slowly to the left on a straight flat road ? People have described things as pulling left, but then when we discussed it it turned out that the real problem was it turned left easily but needed to be wrestled to turn right. If you have the wrong amount of toe-in it will normally just get erratic and keep trying to veer left or right, but not be happy going straight. It is important though that both tie rods are adjusted to the same length. If one rod is longer than the other, even though the overall toe in is right, it can cause pulling. Are you sure the caster and camber are right ? Some makes have different length/width A arms on different years. If the new arm is a bit different to the original it will upset the camber and/or caster. Other things that cause dragging to one side are dragging brakes, uneven tyre pressures, bad wheel bearings.. And it could be a problem at the rear..

You should try to diagnose the problem before fitting parts. Since it fixes it for a bit by switching off and on again it sounds to me like it will be an electronic(PCM) problem, rather than a mechanical or electrical(wires, switches,,electric motor) problem First thing is, is the dash flashing at you ? Whether it is or not you should try to retrieve any trouble codes, which you can do by counting the flashes if it is flashing, or by shorting a wire if the dash isn't flashing at you. You need to download and read the manual on how to do those things. If there are no trouble codes either current or stored, then the next step is to inspect the clutch adjustment. After that it's back to the manual to carry out a systematic process to lead you to the problem.

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