Does anyone have any info on testing the ABS on a 2wd saph? My pesky ABS light is on again. I have checked and cleaned wheel sensors seeing as this seems to be the most common fix but no change... If i can't find info on testing and fault finding, i guess i just start throwng parts at the car... I can hear the pump run for 20 seconds or so before the buzz slows and stops. Any help appreciated.