You will need access to an OBD II Code reader,this will determine what engine sensors are faulty by providing you with a fault code,once you have the code and determine what sensor is at fault you can them replace the sensor and using the OBD clear the fault code/s
Answers & Comments
Take it to ur local auto parts store and they will scan it for you free of charge to give u an idea why it went in limp mode
You will need access to an OBD II Code reader,this will determine what engine sensors are faulty by providing you with a fault code,once you have the code and determine what sensor is at fault you can them replace the sensor and using the OBD clear the fault code/s