C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

help help help!!!!!

Old Mar 28, 2010 | 07:59 PM
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wvonwaldner
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From: ellabell ga
Default help help help!!!!!

never any problems..replaced short coolant hose right below and front of throttle body due to leak and now high idle and overpressurizing causing leaks.
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Old Mar 28, 2010 | 08:16 PM
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RRT vette
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Have you checked any connections you took loose?

Some C4 owners just eliminate this hose by placing caps over the openings. You could have bumped your throttle position sensor by accident and is causing the high idle. Usually takes some force to move it though.

What year C4?
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