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!
2014 infinity q50 3.7. Trying to see if the timing is off. I don’t have spark. Have power and grounds at coils. I backprobed some injector control wires at the ecm and have pulse.