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My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.My info is somewhat limited on your model here but I had seen no one else has responded and would like to see if I can help here.If at any time you feel that I cannot help with this please let me know.
In some cases if the engine is running to lean (lack of fuel to the engine) this will cause an over heat issue as a lean issue causes the engine to heat up and this can also cause the back fire as well.I would have the fuel system checked to see if it is running lean and if a fault is found it will need repaired.Restricted fuel filter or fuel line can cause this here or even injector faults needing cleaned or replaced.
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The shifting issue may also be related to a lean running condition if the engine is revving up more then it should at idle.I would see if the engine is found to be running lean causing this fault here as well.
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