97 gst spyder everytime i hit high rpms my car make a loud pop sound adn if feels like i hit a wall...fuel filter????/pump.?????injectors...help fast

 

What are your mods?

 

there in my signature ....i posted this b4 on the turbos nitrous page...i got the check engine code today ..code...p1103< something with air fuel mixtur...think im runin rich not to sure how to fix...fuel filter??injectors??something with my ecm????......everytime i hit between 5000 and 7000rpm it makes a loud pop sound and feels like i hit a wall hard!!!!!!need help fast how to fix???

 

your hitting fuel cut. I would start with ageneral tune up. Do the spark plugs, wires, and the air filter. Then start to look for a boost leak cuz there is a good chance that is the problem. If you find no leak then the next step is to change the fuel filter.