Questions & Answers for: Oldsmobile p0303

...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 ...

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 ...

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 ...

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