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Old 05-13-2004, 02:12 PM
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Idle problems

I have a 305 tbi motor and when I start it, I have to keep giving it gas to keep it started. When I put it in gear I have to two foot it to keep it going untill it gets warm. If I'm driving and I push the gas all the way down it gurgles and acts like it wants to stall but will sloooowly pull out of it. Is this a timing issue? If so how to correct it.

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Old 05-20-2004, 06:06 PM
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would guess its the choke not operating correctly,but i dont know with a throttle body.

Last edited by 73chevyhelp; 05-20-2004 at 06:12 PM.
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Old 05-20-2004, 06:45 PM
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Not too familiar with teh TBi stuff, but check the usual suspects:

Vacuum leaks
Idle control valve (stepper motor I believe)
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Old 05-21-2004, 01:27 AM
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Fuel Filter clogged?
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Old 05-21-2004, 09:16 AM
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try tuning the idle up on the carb
same thing happened to me when i was working on a car. it was a 305, i dont know tbi morters very good tho
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Old 06-14-2004, 03:22 AM
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timing could be way retarded, give the dizzy a bit of a turn and see what happens
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Old 06-14-2004, 02:43 PM
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What year vehicle are we talking about? Could be one of the electronic sensors. I. E. Oxygen sensor...

Chickie.
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Old 06-14-2004, 03:09 PM
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Sounds like a possible vacuum leak or lack of fuel pressure. I'd do a leak test with some starting fluid (be careful though) and then hook up a fuel pressure guage and see where its at. Should read between 11-13 psi. See what happens when you give it some gas. Shouldn't drop at all.

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Old 06-15-2004, 01:31 AM
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Running too lean on the carb?

Alan
54 Chevy Pickup
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Old 06-15-2004, 02:56 AM
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have you got it sussed yet man, we all wanna hear what is causing this
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Old 06-16-2004, 11:00 AM
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Sorry about the delay. Didn't have the time to work on the car like I wanted to but it seems like the vacuum system has a leak and the timing was off and I'm now in the process of puting it back together. Thanks for the help and I'll let u know how it turns out.

Sorry about the delay. Didn't have the time to work on the car like I wanted to but it seems like the vacuum system has a leak and the timing was off and I'm now in the process of puting it back together. Thanks for the help and I'll let u know how it turns out.

Last edited by 85cutdog; 06-16-2004 at 11:00 AM.
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