Cutting Off

Tiny
NATMACFIN
  • MEMBER
  • 1999 NISSAN ALTIMA
  • 4 CYL
  • AUTOMATIC
  • 167,000 MILES
I have a 1999 Nissan Altima. It cuts off many times when I am at a stop. It also vibrates and shakes when I am at a stop. The only way I can safely stop without the car cutting off is to put in neutral. What could be the problem?
Friday, July 29th, 2011 AT 6:36 PM

5 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
First eliminate all vacuum or air leaks in the system. You may have a bad IAC ( idle air control) but try cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
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Friday, July 29th, 2011 AT 8:05 PM
Tiny
NATMACFIN
  • MEMBER
  • 3 POSTS
Thank you very much. Being that I know little to nothing about car maintenance, what should I tell a mechanic when I take it to a shop? Secondly, I am sure there is no way you can definitively tell me the cost, but can you give me a ballpark in terms of cost?
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Friday, July 29th, 2011 AT 8:47 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
You tell him what the symptoms are and what has been done to it in the past. He doesn't want you telling him his job.
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Friday, July 29th, 2011 AT 8:51 PM
Tiny
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  • 3 POSTS
Again, thanks for the input.
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Friday, July 29th, 2011 AT 8:53 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
You're welcome
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Friday, July 29th, 2011 AT 9:37 PM

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