car starts only when throttle pedal is pressed

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gmali001@gmail.com - 29 Nov 2006 02:18 GMT

I have a 2002 Audia6, It has recently showed this problem. When I crank
it, it doesn't start but starter makes that sound which tells me its
not getting enough juice or something. but when I press the Accelerator
pedal and then Crank it, it will start and run perfectly fine for
hours.

i know this is not a Cold start problem, as this happens everytime i
plan to start the car, even after it has run for an hour or more.

Can somebody sugest some tips which would tell me whats wrong.
Thanks.
Gagan

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Knifeblade_03 - 29 Nov 2006 12:52 GMT

Not familiar with the specifics of your car, but it seems like a
throttle position sensor may be the culprit. The TPS may be out of
adjustment, explaining why you have to press the gas for it to register
to allow fuel to flow?

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spamTHISbrp@yahoo.com - 29 Nov 2006 13:24 GMT

> I have a 2002 Audia6, It has recently showed this problem. When I crank
> it, it doesn't start but starter makes that sound which tells me its
[quoted text clipped - 8 lines]
> Thanks.
> Gagan

Could be the TPS as suggested, or you may have leaky injectors that
pool gas in the manifold.
Cracking the throttle leans the mixture out enough for it to start
(just like clearing a flooded engine with a carb)

Dave

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