Answers: just from what you said something like it, it sounds like it have jumped timing,but on that spanking new of a model truck that shouldnt happen,you can check to see if its contained by time by pulling no-1, plug out and see it gets fire to the the no -1 coil ,save for that it shouldnt be doing that ,also check and make sure its getting fire to adjectives the plugs ,not just a few ,its possible you may enjoy some bad coil pack on it,that will make it see back resembling that ,good luck near it.
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