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Impreza F4-2.5L SOHC
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Tune-up and Engine Performance Checks
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Technical Service Bulletins
Tune-up and Engine Performance Checks: Technical Service Bulletins
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Ignition System - DTC's P0301/P0302/P0303/P0304
By Symptom
Ignition System - DTC's P0301/P0302/P0303/P0304
All Technical Service Bulletins
Engine Controls - Rough Idle/Misfire Diagnostic Tips
Ignition System - DTC's P0301/P0302/P0303/P0304
Ignition System - Spark Plug Replacement Intervals