Questions & Answers for: Saturn SL p0303 code

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P0303 code just came up. already 1998 saturn sc2 P0303 code just came up. already changed coolant temp sensor 2 weeks ago to remove another code. just had engine replaced and new plugs and wires. what

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...code P0303 2002 Saturn SL1 check engine light came on and code P0303 which is Cylinder 3 misfire detected. I changed the spark plug and spark plug wire and still P0303 comes up. Is there something ...

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code(p0300,p0301,p0302,p0303,p0304)i would suggest replacing the module,plugs,wires, and the mounting bolts. many have tried replacing just coils and usually ends up coming back or not solving problem

Question about 1998 SL

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...P0303 code. someitmes runs nice/sometimes not help !! I have only put 97 miles on this car. bought as is due to the age, paid good money due to the mileage. please tell me this is not serious as it ...

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