Setting thresholds on Solus Ultra Cylinder Contribution Test

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  • TMT-1
    Junior Member
    • Jan 2012
    • 1

    Setting thresholds on Solus Ultra Cylinder Contribution Test

    I have an 04 F150 5.4 and I cannot tell which cylinder is misfiring. What kind of thresholds should I be looking for to see if I have a bad cylinder coil? I have readings on cylinder 4 of -27 and cylinder #5 of -40. Is anything less than Zero a bad coil?
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