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#1 |
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Regular
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hesitation
so my 93 gt is bein a jerk...i think its cuz i just inhereted a 68 chevelle.....
anyway theres a hesitation from idle if i slam the gas and if i just barely touch the gas theres this high pitched whine....im hearing it like either in the throttle body or in the upper intake....an yhelp is much appreciated |
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#2 |
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Regular
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did you try cleaning the throttle body, your intake could of suck something up there, and if it did you dont want it going any further.
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#3 |
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Hardcore Enthusiast
Join Date: Apr 2007
Posts: 1,304
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EGR spacer
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#4 |
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Regular
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is there a special spray or cleaner for the tb? and im not exactly sure what the egr spacer is...
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#5 |
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MM Fanatic
1990 LX hatch
Join Date: Aug 2006
Location: Hobart Indiana
Posts: 4,392
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sounds like a vacum leak to me, spray some TB or carb cleaner around the intake and listen for the engine to pick up a few RPMs.
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#6 |
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MM Fanatic
Join Date: May 2007
Location: Bloomington, IL
Posts: 4,627
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Yeah, I've heard of the EGR spacers leaking coolant into the intake. Also a vacuum leak anywhere could cause this problem. Get a vacuum gauge and check the vacuum. Should be above 15 in Hg and it should get higher if you hold the rpms around 2500-3000 in neutral. Also look around and inside the throttle body area for debris or coolant.
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#7 |
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Regular
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where is the egr spacer at?
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#8 |
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Hardcore Enthusiast
Join Date: Apr 2007
Posts: 1,304
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ha its the aluminum block between your throttle body and your intake manifold...you might not have one
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![]() I believe in art when it is not seen. I believe in music when it is not audible. I believe in God when He is silent. |
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#9 |
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Banned
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Some throttle bodies make the whine and there really isnt anything you can do about it...what brand throttle body do you have?
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#10 |
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Tech Exchange Head Honcho
2003 SVT Cobra
11.70 @ 121
Join Date: Aug 2006
Location: Forsyth/Statesboro, GA
Posts: 9,052
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try cleaning out your iac also
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