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brake/drive bog and stall

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Old 04-22-05, 07:41 PM
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Unhappy brake/drive bog and stall

alright guys here's one. last night i set the tps and idle of my car. i also replaced 2 check valves (double throttle diaphram & the one under the tb) i replaced the check valves 2 days ago and i thought the problem was fixed. today it did it again. when i step on the brake, the car drops in rpm. when i shift into drive, it drops further and sometimes stalls. any ideas?

ps. it idles at about 1200 in park. i overcompensated for the drop today.
Old 04-22-05, 08:06 PM
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alternator? maybe the booster is drawing too much?
Old 04-22-05, 08:09 PM
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booster?
Old 04-23-05, 02:23 AM
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BAC...compensates for power useage (ie. headlights, brakes, ac)...helps to maintain a steady idle, and when it goes bad, the idle starts to bounce like its gonna stall
Old 05-31-06, 11:48 AM
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is the booster a senor on the alternator? What is a BAC
Old 05-31-06, 12:06 PM
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Originally Posted by B-ROB
BAC...compensates for power useage (ie. headlights, brakes, ac)...helps to maintain a steady idle, and when it goes bad, the idle starts to bounce like its gonna stall
The BAC is mainly for the P/S and A/C.

BAC = Bypass Air Control System.

Last edited by My5ABaby; 05-31-06 at 12:09 PM.
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