Rough Idle
I have a new issue will my 03 Chevy 6.0. When the truck is cold it idles rough. Doesn't actually feel like a misfiring cylinder. In gear at a stop light the idle will drop below 500 rpm and the engine...
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I confirmed this morning that my intake gasket is leaking. I started at -4 degrees and once it was off fast idle it started stumbling. I started spraying carb cleaner along the intake and when I got to the driver side rear the engine smoothed out.
