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Hello, I have a 2007 Chevrolet Lacetti 2l desel hatchback and I have a problem with ABS. When I drive, sometimes the breake pedal starts shaking and then ABS and tyre pressure light lights up on dash. what could it be and mayebe someone had same problem?
 

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Read my fault finding guide here:


It relates to the Aveo but all ABS systems work in similar fashion. I didn't mention it in the guide, but the juddering of the brakes was also a feature in my case. The reason is simple, the car reads the speeds from the wheel sensors, and notes the false error (difference) between the wheels caused by either the failed ring, or a faulty sensor, and puts the light on to tell you. If you press the brakes hard, it then tries to save your skin by correcting the "fault", even when it does not need to. Just good fail safe engineering really.
So, first check those rings, then the sensors, then report back your findings.
 
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