when i switch on the ignation the abs bulb on and after start the car abs bulb goes off,when i apply the brake the front side tyres aisay lagtay hain jaisay block hogay hain.or gari ki brake nahi lagti hay.jab bhi kabhi emergency brake lagao brake sahi kam nahi karti hay or aisa lagta hay jaisay gari k nechay kuch toot gaya hay