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Chris (aka-Moose)
Chris (aka-Moose), Auto Technician
Category: Toyota
Satisfied Customers: 947
Experience:  16 years of experience
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I have a 2005 avalon starts 2 to 3 seconds then cuts off

Customer Question

i have a 2005 avalon starts 2 to 3 seconds then cuts off unless i rev the car up at start up then stays runing got a code b2799
Submitted: 5 months ago.
Category: Toyota
Expert:  Ted Ritter replied 5 months ago.

Thanks for posting, that's an engine immobilizer miscommunication code, in other words the computer does not recognize the key you are using, is there more than one key? Did you have a new key made?

Customer: replied 5 months ago.
the car sat for 3months dead battery one key dont work one does but have to rev at start up then stays runing
Expert:  Ted Ritter replied 5 months ago.

Thanks for the reply, I apologize for the delay,

Try cleaning the throttle body, sometimes a lot of carbon that has build up can cause hard starting and stalling.