Questions & Answers for: Oldsmobile Cutlass Supreme p0303

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Question about Oldsmobile Cutlass Supreme

2 Answers

I have a 1994 oldsmobile cutlass supreme 3.1 and It has a p0303 code I changed the plug and wire to cylinder # 3 and it still has a tapping noise and hesitates a little the coil packs seam to be fine ...

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Misfire code p0303 ruff idle spuds like tapping of valves check engine light blinking P0303 mean Cylinder 3 Misfire. Consider replacing the Cylinder 3 Spark Plug. If that does not settle it,replace ...

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