Questions & Answers for: Oldsmobile p0303

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...the car and put it in park, the check engine light stays solid. I plugged into it and got a code p0303. Cyl. 3 missfire. I pulled the coils out and bracket as well as the alt. i pulled the #3 plug ...

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Question about 1999 Silhouette

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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 ...

...2001 silhouette you need it scanned and the code will tell you which cylinder has the problem. p0303= #3 p0305 = #5 ect. then verify spark, fuel and compression Flashing is BAD you will damage ...

Question about 2003 Alero

1 Answer

trouble code P0303 for 99 aurora check engine light blinks and check charge system on display PO 300 codes are cylinder misfiresThe 3 at the end of 303 is cylinder nunber 3On some vehicle systems when

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