HELP PLEASE!!! Glanza stuttering and banging!!!!!

Mike0604

Fresh Recruit
Need ideas! My starlet isna runnin ryt! Its fyn under boost nd load, its fyn at idle but when u try to sit at a steady speed (really light on the throttle) it coughs and bangs, jerks on nd off the throttle and engine management light flashes! I have changed plugs leads throttle position sensor, put some injector cleaner in and plugged it into diagnostic but no codes! Im confused please help
 
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