Car won't stay on if we aren't pressing he gas pedal.

Tiny
ANNETH
  • MEMBER
  • 2003 TOYOTA AVALON
  • 119,000 MILES
My mom has a Toyota Avalon and it has problems staying on. It will turn on when I turn the key but it turns off the moment I let go of the gas pedal. Before, we used to warm up the car by holding the gas pedal for a few minutes till the car would warm up, and then when we let go of the gas pedal it would start. But this time it will not stay on if I let go of the gas pedal. If it does happen to stay on, the moment I use the brake to slow down, the car turns off. The radio and electric things stay on but not the engine. Thank you for you time. Anneth
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Saturday, April 21st, 2012 AT 7:00 PM

5 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
IAC valve is first thing to check/replace.
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Saturday, April 21st, 2012 AT 7:07 PM
Tiny
ANNETH
  • MEMBER
  • 3 POSTS
Thank you. I know nothing about cars, do you know how I should check this or if it costs a lot to get checked?
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Saturday, April 21st, 2012 AT 7:12 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The IACV is on the throttle body assembly- dunno the cost of repair due to it varies with location-try having it clean out and see what happens-Is the check engine light coming on?
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Saturday, April 21st, 2012 AT 7:19 PM
Tiny
ANNETH
  • MEMBER
  • 3 POSTS
The check engine light is on, the vcs/vsc light and another light. But those lights have been on since my dad took a loan out of the car. They put some sort of device on it while it's on loan.
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Saturday, April 21st, 2012 AT 7:31 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer scanned for codes-start here
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Saturday, April 21st, 2012 AT 7:48 PM

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