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

1996 Cruise control

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Old May 18, 2020 | 02:00 PM
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Default 1996 Cruise control

I'v been having this weird issue lately. Whenever I engage cruise control it will not work, However if I press on the gas pedal even just a cm it will start working. When cruise control is engaged and going uphill it will stop maintaining speed unless I once again press just ever so slightly on the gas pedal. Any ideas what is causing this and how to fix it? Thanks!
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Old May 18, 2020 | 02:14 PM
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I would be looking for vacuum leak or collapsed hose. Old car so any of them .lol. Check valve under passenger side injector cover. Hoses near battery.
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Old May 18, 2020 | 02:40 PM
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Originally Posted by Kevova
I would be looking for vacuum leak or collapsed hose. Old car so any of them .lol. Check valve under passenger side injector cover. Hoses near battery.

Under the passenger side injector cover you will find these two vacuum ports one on top of the other. Notice how the one on top after it makes the 90 degree bend to the left it splits into two .... these become very brittle over time and can crumble or break.


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Old May 23, 2020 | 04:06 PM
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Thanks for the input! I checked under the cover and it all looked fine. They looked like they may have been replaced sometime in the past few years.
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Old May 23, 2020 | 04:08 PM
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Thanks! I looked near the battery and did see a hose that could use replacing. Hope it fixes the problem
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Old May 23, 2020 | 07:30 PM
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Thanks for the idea! Checked the valve and its working properly.
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