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throttle body bogging down/sucking sound


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cindyjean36
New User

Feb 26, 2015, 9:41 AM

Post #1 of 6 (1162 views)
post icon throttle body bogging down/sucking sound Sign In

I have a 2004 Chevy Silverado.when I press on the gas the the throttle/air intake/goes Whommm whomm,sucking air,,Help


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Feb 26, 2015, 9:58 AM

Post #2 of 6 (1155 views)
Re: throttle body bogging down/sucking sound Sign In

IDK? Is all the air intake duct work in good condition and in place? Anything done to it right before noticing this?


T



cindyjean36
New User

Feb 26, 2015, 10:01 AM

Post #3 of 6 (1152 views)
Re: throttle body bogging down/sucking sound Sign In

No,just replaced the rack and pinion,tires,and heater core hose but the sound is coming from the (old school talk) carburetor like the butterfly is not opening enough


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Feb 26, 2015, 10:14 AM

Post #4 of 6 (1143 views)
Re: throttle body bogging down/sucking sound Sign In

Did this just happen when that work was done? I know what an un-muffled air intake sounds like and all that duct work along thru air filter is supposed to be in place and thought was given to all that making it quiet by design.


If not running well AND this noise and do look for something silly there should be a code waiting or hard code and you check engine light or warning icon would be lit so get codes and post the #s.


If this just happened right away with the recent work go back,


T



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 26, 2015, 10:28 AM

Post #5 of 6 (1140 views)
Re: throttle body bogging down/sucking sound Sign In

I would check for a restriction in the exhaust.



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GC
User
GC profile image

Feb 27, 2015, 1:48 PM

Post #6 of 6 (1116 views)
Re: throttle body bogging down/sucking sound Sign In

+1 to HT. To add - Does it lack power? Any codes stored? Which engine?


____________________________________________________
Willing to help, willing to learn... Rob






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