and for the long version..The intake manifold runner control is an engine management component that is found on newer intake manifold designs. It is usually a motorized or vacuum actuated unit attached to the intake manifold, that controls the opening and closing of butterfly valves inside of...
i run ethanol free fuel 93 , so here is verdict.... ended up replacing intake manifold runner control along with new manifold gaskets....apparently it broke.
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i'm have same problem, P0300, P308 codes. dealer has had car 4 days, finally replacing intake manifold, is what service writer said.
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