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C-023 Catalyst System > < C-021 Engine Speed Input Signal Circuit

Astra H

C-022 - Misfire Detection

Test

Work Order Description

Nominal Value
T001

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P0304

Cylinder 4 Misfire Detected
Diagnostic Tester Diagnostic Trouble Code Current Value:
Yes: No:
T002

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P0303

Cylinder 3 Misfire Detected
Diagnostic Tester Diagnostic Trouble Code Current Value:
Yes: No:
T003

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P0302

Cylinder 2 Misfire Detected
Diagnostic Tester Diagnostic Trouble Code Current Value:
Yes: No:
T004

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P0301

Cylinder 1 Misfire Detected
Diagnostic Tester Diagnostic Trouble Code Current Value:
Yes: No:


Result

Cause Of Fault
E001 Result: Reference to other system
  • Verify mechanical system functions/components
    Fuel pressure
    Injection valves
    Spark plugs
    A40 Ignition Coil - Direct Ignition
    Check compression

Note:

Check ripped V-belt for correct tension and for unusual wear.
E002 Result: Reference to other system
  • Verify mechanical system functions/components
    Fuel pressure
    Engine compression
    Check engine mechanic

Note:

Check ripped V-belt for correct tension and for unusual wear.





C-023 Catalyst System > < C-021 Engine Speed Input Signal Circuit