Brake pedal goes to floor when engine is on and don't when car is turned off. When off pedal is nice and stiff,, but when engine is turned on, NO pedal. It goes to the floor. Father in law thinks it maybe booster. Has anyone else had this problem.

Hi. My brake lights come on sometimes after I have left vehicle. I can force them off by pulling up on brake pedal or wedging something behind pedal. It kills my batteries when it goes un-noticed. Is this an adjustment? Or do I need to replace the brake switch? I have looked (awkward to get at)...

I have a 1993 dodge caravan 3.3l with 113k and the brake and abs lights are on and the pedal is stiff. I just finished a brake job on it and the lights are still on and pedal is still stiff. How do I fix this problem

I have a Scag zero turn walk behind commercial mower around 10 years old, 16 HP Vanguard engine. It starts fine, idles fine, even runs pretty good when the blade is engaged most of the time. After a few minutes of the blade being engaged the motor sputters terribly. I can disengage the blade and...

I have a '95 Nissan pickup 2 wheel drive 4 cylinder. About a month ago I started having problems braking (pedal went to floor). I have changed the master cylinder no luck, checked the lines and callipers no leaks, pads are still good front and back. I have about 230,000 miles on the truck and it...