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997.1 2.7 Slight missfire at 1500 - 200 rev range Vehicle diagnostic Engine roughness

richardjjs1

richardjjs1

New member
SORRY 987.1

Plugs and Coils replaced
MAF Replaced
OS Sensors replaced (Did show a Bank 2 Sensor 2 fault before replacement

Read the diagnostics no faults shown
BUT
what does this mean please
All 5 motion detections are 3
Engine roughness reference value is 5.9014 5.9311
Engine roughness cylinder 1 -1.081 0.953
6 1.140 0.992
2 1.141 1.939
4 -2.028 -2.581
3 1.456 1.816
5 0.336 0.493
Counter MIss fire detection

Then all 6 Missfire Counters are 0
First reading was latetes
 
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