Questions & Answers for: Chevrolet p0303 code Cars & Trucks

...uo107 - lost communication with throttle actuator control module The U codes you can ignore. The P0303 means you have a misfire on cylinder #3. More information would be needed to make an accurate ...

...code appeared (p0303 - cylinder number 3 misfire). I replaced the plugs and wires but this did not fix the problem. Is this all due to the catalytic converter? Most probably and if a cat is not ...

...code P0303 applies to a 6.5L diesel engine.A proper misfire code for gas engine will be a P0300. I think you need to return to the shop that did the work for you. Most places give a 12 month, 12,000 ...

code p0303 merci P0303 is misfire on cylinder#3. your car over heat?if No. check spark plug , spark plug wire, distributor rotor,and cap.

P0303 Error code on reader. Changed all spark P0303 Error code on reader. Changed all spark plugs and reset code. Check Engine Light re-appeared and now goes on and off. Still seems to stumble and act

code p0303. The fireing order is correct. and now i'm at a loss for what i can do now if someone out there can give me any suggestions it would be much appreciated... the car run smooth at an idle but

...code is P0303. P0303 is cylinder #3 misfire detected. Start by changing the spark plug. If that doesn't clear it then try changing the plug wire. If that doesn't clear it, then you might need ...

...p0303 censor that code is not a sensor code that is a missfire code , you have a miss fire in cylinder number 3 , check you spark plugs or coil for that cylinder , with that code car will run rough ( ...

...p0303. The "C" code they are unable to look up in there system. Any suggestions would be greatly appreciated, so that I atleast no where to start. c0040 right front abs sensor. P0300 random or ...

...Code P0303, which would cause the shake if not both? it has new plugs and wires but still misfire on #3. what should I look at first for the other code? code P0303 is a misfire code for cylinder # 3, ...