How do I troubleshoot a brake booster that misfires?

Answer by  Jsands1982 (871)

Depending on the year and model of the vehicle when troubleshooting a brake booster. You will be needing a OBD-II code reader. Vehicles that are 1994/older have a built in.

Answer by  Sabharish (1610)

Brake booster is the very important part of the vehicle and if there is any repair in it the total brake system may collapse. So it is not advisory to troubleshoot a brake booster.

Answer by  thattractorguy (2970)

Brake boosters don't operate with fire, so they don't misfire. Brake boosters operate on vacuum from the engine. Your vehicle may be misfiring because of a vacuum leak. The best solution is to inspect all of the vacuum lines on your vehicle and replace any lines that are damaged or look old.

Answer by  Amber40 (24961)

Brake boosters don't misfire. The booster is a vacuum power brake assist that makes it easier for the driver to press the brakes. A misfire typically refers to an engine. It is what occurs when the timing is off or something cause a cylinder to "fire" or combust at the wrong time.

Answer by  japratt (1687)

If your brake booster seems to keep mis-firing then you will need to get under the car. Once under the car you can understand why this seems to keep happening.