Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Trouble codes P0300 p0135 p0141 p0155 p0161 p0200 one minute it will drive fine an next minute having acceleration problems. It may sound like a wiring issue to me. I replaced fuel pump, canaster, regulator, all 8 coil packs plus tube up, throttle body injector plug #5 all four oxygen sensor pedal sensor I don’t know what to do at this time
Was any diagnostics done on this vehicle before parts started being replaced ? Somehow I doubt it had that many issues. What are you working on ?...J.D.