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I have a 2005 cobalt ss supercharged. I recently pulled on a dead end road. Snow out so I cleared off my rear window and got back in. And me being stressed out I for the gear into reverse while pressing the brake instead of the clutch. It’s driving fine. I get to a straight away and throw it in third and hit about 3200 rpms and the car hard bucks. I tried it a couple times after and got the same result. Could this be because it’s wet outside or an engine issue?
 

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Hard to say. Do you get any codes setting? Check engine light? Map sensor can cause funky issues. So can vacuum leaks. I’d assume a charge hose that’s loose would be obvious, making noise and low power. Worth a look though to make sure.

Other things coming to mind are fuel pressure. That engine would be more sensitive to fuel pressure being incorrect. I’d also have a look at what the fuel pressure is at idle and while at higher rpms.
 
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