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Silhouette intermittent misfire
Posted to Technical Discussion Forum on 10/1/2007 23 Replies

Symptoms: Very definitive hard miss after 30-45 minutes DRIVE time. No DTCs ever stored. Misfire monitor shows random multiple when it occurs. Comes and goes, unable to force misfire. No obvious sensor/RPM ranges during misfire period

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car Vehicle Data

2000 Oldsmobile Silhouette GL 3.4L

Engine3.4 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2000 Oldsmobile Silhouette GL 3.4L

Engine3.4 L
Trans4-speed Automatic (Electronic)