정비 사례P0351

I have a 2009 Pontiac Vibe, It seems to run fine on the highway but is struggling with stop and go traffic. When at stop lights, or trying to accelerate from a stop the engine jolts and cuts off. The engine has also shut off while idling, when engine was hot. Check engine light comes on P0351-P0354, ignition coils A-D, “Primary Control circuit/open”. I took it two 2 shops without them finding a problem, they checked the coils and wiring. I replaced the battery, spark plugs and throttle body (throttle was getting stuck earlier in the year preventing car from starting properly, improved after cl