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Subaru
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2021
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Forester Base
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Repair and Diagnosis
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Engine Performance
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Engine Control System (Diagnostics) (2 Of 4)
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Diagnostic Procedure With Diagnostic Trouble Code (DTC)
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DTC P0304: Cylinder 4 Misfire Detected
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General Description
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General Driving Cycle
General Driving Cycle
If conditions are met, it is possible to detect the misfires from idling to high engine speed. However, in case any engine load or breakage occurs, perform with the engine at idle.
Perform the diagnosis continuously.