Faulty Signal - Permanent Fault

ECM-35X3 MISFIRING, EMISSION
FAULTY SIGNAL - PERMANENT FAULT

Checking fuel injection system, ignition system and components



The diagnostic trouble code (DTC) indicates which cylinder has misfired.
Diagnostic Trouble Misfiring
Code (DTC) cylinder
ECM-3513 1
ECM-3523 2
ECM-3533 3
ECM-3543 4
ECM-3553 5

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 according to CHECKING FUEL AND RESIDUAL PRESSURES ZZZZZZ
Check that the engine is airtight according to COMPRESSION TEST ZZZZZZ
Check for air leakage according to
Check flywheel for damage.

Other information
- Information about the misfire diagnostic, Misfire Diagnostics


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 Diagnostics

Does the misfiring counter count upwards?
Yes - Continue below.
No - Testing Complete.


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.