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Old 10-29-2012, 03:13 PM
wifesauto wifesauto is offline
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Location: nj
 
Join Date: Jan 2012
Posts: 270
Mein Auto: sloporsche
only thing i can think is from old cars.....some had a vaccum switch on the brake pedal and although rare cases when stepping on the pedal you make a bad ground good. if the vaccum hose to the booster is disconnected and plugged AND the pedal still changes the idle i would look for some type of vaccum controll on the pedal. imho
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