TB pains
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Pro
Joined: Jul 2010
Posts: 545
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From: Jacksonville Fl
TB pains (solved)
OK I have 1990 L98 6 speed vette.
I been having trouble with high rpms. As soon as you turn it on it idle at around 700 rpm. OK here the problem, the second you get on the gas it start to go up in the RPMs and will not come down. The gas peddle is very soft.
I got the 1990 corvette service manual. It only talks about the LT5 TB.
The book still in the wrong and the TB cable needs to be replace. Good thing Im still young.
I been having trouble with high rpms. As soon as you turn it on it idle at around 700 rpm. OK here the problem, the second you get on the gas it start to go up in the RPMs and will not come down. The gas peddle is very soft.
I got the 1990 corvette service manual. It only talks about the LT5 TB.
The book still in the wrong and the TB cable needs to be replace. Good thing Im still young.
Last edited by Blame; Sep 24, 2010 at 11:48 AM.
Race Director
Joined: Apr 2003
Posts: 17,699
Likes: 1,667
From: moraga ca
See if the throttle body is returning to a closed position after you let off the gas. You can manually close it by hand. If it doesn't, maybe your cable is kinked, corroded, or binding. Maybe your pedal pivot is binding.
