Engine was running with some strange jittering happening on the highway, decided to have a generic mechanic look at it, he decided i needed to changed the coils, tried to start the engine after the swap and it wouldn't run, smelt a bit of a burning plastic smell while in the cabin. The following is a list of things i have tried with him to try and get the motor to run:>another set of new coils>replaced the ECM and changed the key code>replaced with a newer motor with 50k miles on it>took it to a dealer>took to a local Honda focused garage in LAThe engine still just kicks over but won't actually run. Not sure if something fried with the coil replacement, or hwat, i normally work on 60s motors so i'm not used to fuel injection and computer ran systems.What should i start diagnosing that the retards at the dealership and local shops couldn't find?
Forgot to put in the subject, it's a 2007 Honda Ridgeline.