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Clogged pcv valve. Located under throttle body. had the same issue and changed it, ran fine after that.


The function of the screws is to locate the rotor in the correct position while building up the complete wheel assembly. The rotor is actually clamped in place between the wheel and the hub, but the wheel bolts don't position it accurately. If you leave the screws out, you might end up with the rotor off-center and unbalancing the wheel, causing vibration. ...


They are not necessary, but I'm sort of a fussbudget sometimes. I usually replace them by applying antiseize so the problem doesn't reoccur.


Those screws only hold the rotor in place to match the holes for the bolts holding the wheels, and/or to stop the rotor tilting when changing a wheel. Just makes it easier when having to hold a wheel with one hand and fit wheel bolts with the other. The diameter of those screws is not designed to hold the rotor under full braking force as they will shear. ...


I repair a lot of these systems so maybe I can offer a little direction. I'm not sure any of it is DIY other then checking all your fuses and I also do not think many poorly trained locksmiths would do well either. You need a real auto smith or tech who specializes in automotive electronics and has decent diag/programming tools. Autel 908 or H.D.S will make ...

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