my abs idiot light comes on in my truck,what things can I check to see what’s causing my light to come on? I checked the brakes and they seem okay added some brake fluid because the fluid was low.Related Questions1999 Ford F-150Heater will not blow warm air, Ac will work. I've changed the water pump, thermostat, heat control switch, ensured the vent is switched to heat. both hoses are hot coming off of pump. Truck is running at correct temp. any ideas of what else to…FORD F-150I HAVE A 2006 FORD F-150 6 CYLINDER. IS THER A CHIP THAT CAN BE INSTALLED TO GIVE IT MORE HORSEPOWER? I WOULD ALSO LIKE A RECOMENDATION ON AN EXHAUST SYSTEM THAT WOULD GIVE IT A NIC SOUDING RUMBLEABS indicator lightI has to have my brake line repaired 2 days ago.\u00a0 My ABS light is constantly on, why is this? is this a problem? Oh by the way It is a 2001 Ford F150 no wd.