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!
2006 Hyundai tiburon 2.7 backfire from intake.i cleared the exhaust still backfiring also changed the plug wires and distributor.checked engine timming still same