JohnB
Tech Moderator
Member # 969
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posted
There is a vaccum switch mounted on your brake pedal. Look under your dash; directly in front of the pedal....that's where the switch is mounted. It's got a leak in either the switch or the vac line. There's your problem.
As a double check...if you want to check your brake booster, lightly depress the brake pedal, then start the car. If the pedal goes to the floor once the car is running, your booster is fine.
-------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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