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

Asked by 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

17,810

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.

17,810

Now as far as the head lights being turned on and it happens can not answer that one.

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