Mine would do that, too. It would sputter at times. Press down on the accelerator pedal a few times when it struggles to fire up. What I've done so far is replace the spark plugs (at least a couple got fouled) and cleaned the throttles and intake manifold. I also invested in a couple of oil catch cans. Less than 25 miles of driving is enough for residue to build up. So far I've had no issues.
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