Car occasionally surges when brake is applied

Hello,

This can happen when the power brake booster is leaking internally. But we should start by scanning the computer for codes even if the check engine light is not on. Here is a guide to show you how.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run this test and get back to us so we can continue helping you.

Cheers, Ken