2002 ford engine surge then stalls when brakes applied, and when head lights turned on

10

Asked by mustang1960 Jun 29, 2015 at 03:38 PM about the 2002 Ford Explorer Limited

Question type: Maintenance & Repair

engine surges then stalls when brakes applied and  then head lights turned on ......i
replaced air idle control valve and checked for vacuum leaks

2 Answers

65,400

Sounds like you have a bad brake booster. That is what the master brake cylinder is attached to. Booster has a vacuum line going to it that goes to the engine and air is being pushed back to engine when brakes are applied because the brake booster is bad.

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