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!
A secondary ignition waveform will show what's happening in the combustion chamber, from A/F ratio up to compression. ... I understand you measured the primary amp draw of the coils but this is completely different from a secondary. Can u get a secondary waveform from each bank under similar conditions?
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Converting that to grams that's 5.2 grams a second at idle and 143 at wide open throttle which is low for a v8 I believe were in need of a good maf cleaning
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