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Engine stalls out

Tiny
BANDIT2728
  • MEMBER
  • 1999 BUICK CENTURY
  • 139,000 MILES
Do you know what would cause a fuel injected car to cut out when you try to start her unless you lightly touch the gas pedal? I have tryied changing the mass air flow sensor because when I try to start my car it won't start unless I lightly touch the gas pedal
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Tuesday, January 17th, 2012 AT 10:51 PM

3 Replies

Tiny
PROAUTOTECH
  • MECHANIC
  • 288 POSTS
Idle air control valve, throttle position sensor. I've been answering a lot of these same problems lately.
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Tuesday, January 17th, 2012 AT 11:09 PM
Tiny
BANDIT2728
  • MEMBER
  • 2 POSTS
Where would I find this sensor at on the car
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Wednesday, January 18th, 2012 AT 5:42 PM
Tiny
PROAUTOTECH
  • MECHANIC
  • 288 POSTS
The IAC valve should be right on the throttle body. It's kind of small, has two bolt holes holding it on and a plug/wires going to it. They're about $30 from autozone. You should have the car scanned for free at the parts store to see if any codes come up before purchasing anything. Note though, I have found the IAC valve to be bad even if it wasn't showing me any codes.
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Wednesday, January 18th, 2012 AT 5:51 PM

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