FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Faulty Signal. Permanent Fault






Faulty signal. Permanent fault

Checking fuel injection system, ignition system and components
The diagnostic trouble code (DTC) indicates which cylinder has misfired.





Check that engine oil level is correct.
Check the spark plugs, search for damage in the insulation and other damage.
Check ignition spark.
Check fuel pressure and residual pressure.
Check that the engine is airtight according to Compression test, B5234T9, B5244T7 Compression Test.
Check for air leakage.
Check flywheel for damage.

Other information:
- information about the misfire diagnostic, see Misfire diagnostic Misfire Diagnostics.






Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off.
- Reinstall connectors, components etc.
- Start the engine.
Check that the misfire counter counts upwards and that the engine is firing on all cylinders. Also check that the misfire diagnostic system is active. If not check the conditions according to Misfire diagnostic Misfire Diagnostics.





Does the misfiring counter count upwards?

Yes - VERIFICATION FAILED

No - VERIFIED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking fuel injection system, ignition system and components

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