I recently got my cover valve gaskets replaced and after it was fixed I was driving on the highway and when I took my foot of the accelerator my speed would stay the same. (like the cruise control was on). when I pressed the brakes it would go down as usual. but, when I was stopped at a light the RPM was at 1000 and it was creeping up and when I took my foot off the brake the car would jump like the gas was being pressed. It started to get a little high for my liking and I put the car in neutral while I was stopped and the car suddenly revved up on its own to 7000rpm. I cut the car off immediately.

It has done this twice and there isn't any apparent problems with the throttle getting stuck or anything. Any help or suggestions??

 

Check the intake manifold gasket and TB gasket. Then check the vacuum lines on the intake manifold. Sounds like you have a severe air leak. You can check by spraying carb cleaner around the intake manifold and TB. If it kills the engine, or tries to, you found your leak.


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