FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Checking Misfiring



Checking Misfiring





- Take a current reading with the diagnostic tool.
Misfire Cyl 1
Misfire Cyl 2
Misfire Cyl 3
Misfire Cyl 4
Misfire Cyl 5
Misfire Cyl 6





- 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 - Checking the Diagnostic Trouble Code

YES - Fault Not Rectified