Checking Misfiring - I

Checking Misfiring







- Take a current reading with the diagnostic tool.
Misfire Cyl 1
Misfire Cyl 2
Misfire Cyl 3
Misfire Cyl 4

- Drive the car with the same engine speed air mass/combustion and coolant temperature as shown by Freeze Frame.

Is any of the counters incrementing continuously?

NO - Information - I

YES - Check Additional Diagnostic Trouble Codes