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Tiny
ZELLDOG93
  • MEMBER
  • 2002 NISSAN SENTRA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 100,600 MILES
If I repetitively hit my brake pedal the engine will slow down tremendously to the point where it will stall out sometimes any ideas?
Saturday, July 2nd, 2011 AT 4:17 AM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
That is normal because when the brake booster is repeatedly used, it is pulling vacuum from the engine manifold which would cause the engine idling to drop and maybe stall.
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Saturday, March 13th, 2021 AT 6:59 PM
Tiny
ZELLDOG93
  • MEMBER
  • 111 POSTS
Is it possible to be able to adjust something to fix that or anything I adjusted the idle which made is harder to do and made my car smoother and harder to stall
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Saturday, March 13th, 2021 AT 6:59 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
I believe your idling speed is too low and being affected by the use of vacum.

Idle speed is computer controlled and cannot be adjusted. Get the throttle body and Idle Air Control valve cleaned and retest.
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Saturday, March 13th, 2021 AT 6:59 PM

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