What is a symptom of brake booster failure?
What is a symptom of brake booster failure? Engine stalls when brakes are applied When the brake booster is failing it can draw excess vacuum from the engine. This occurs when the diaphragm inside the brake booster fails and allows air to bypass the seal. The brakes are then pressed, the engine feels like it will stall, and the idle can drop. What does it mean when your brake booster is not working? If your brake booster is working normally, the pedal will fall away a little, but then become firm. If your brake booster is not working correctly, nothing...