1. Take it to an auto parts store to be scanned free of charge.
2. Clean Mass Airflow Sensor (MAF) with MAF cleaner spray.
3. Clean throttlebody plate with thottlebody cleaner and a toothbrush - let dry thoroughly in the open position before reassembly.
4. Replace air intake filter with new.
5. Replace fuel filter located in front of the rear driver side wheel.

Also, make sure if it is a GTP, you're putting in 91 octane or better.