Checking Misfiring - II

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.

A few misfires in this load and engine speed range can be accepted.

Is any of the counters incrementing continuously?

NO - Check Additional Trouble Codes In the Trionic System - II

YES - Fault Not Rectified