Check 1: Swap the ignition coils of cylinders 1 and 2. Clear the codes and run the engine at idle for 5 minutes.
Expected
The misfire stays on cylinder 1.
Fault code
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Cylinder 1 misfire detected
Severity: HighExampleConditions for setting Placeholder: engine running, fault present for the debounce time.
Guided test: each check, the expected result, Yes or No.
Expected
The misfire stays on cylinder 1.
In the order the source lists them, with no likelihoods.