2003 Kia Spectra "engine code p303" Questions

...engine light comes on. sometimes at idle it is very rough. When I read the code it is p301 misfire on cylinder one. I have changed the plugs, wires, injecter, and the catalytic converter. I dont know ...

...engine light comes on and I get code p303. Vehicle bucks at times, uses lots of gas. Believe it may be 02 censor, spark plugs and wires tested ok. Any Idea code says #3 cylinder misfire, check the ...

engine light keeps staying on. Checked codes at Autozone and this is what I got:p300 p0301 p302 p303 p304 (misfires) and p402. Took it to shop and they said distributer or catalytic converter. Someone

Code with flashing CK Engine light. I have a 2001 Ford Windstar and i am getting both a P301 and P303 Code with flashing CK Engine light. I just got the plugs and wires changed by a pro mech. and that

engine light I have a diagnostic code P301,P302,P303,P304, P1300 and P1399 on my 1997 Honda Civic I have changed plugs, wires, distributor cap rotor and both O2 sensors. Check engine light is still on

...code with flashing CK Engine light I have a 2001 Ford Windstar and i am getting both a P301 and P303 Code with flashing CK Engine light. I just got the plugs and wires changed by a pro mech. and that ...

...engine spark plugs or plug is the issue. Also check the exhaust pipe. White smoke indicates a coolant issue. Check your coolant reservoir. Black smoke indicates a Fuel issue. Blue is an oil issue. ...

...engine light traction light Throwing codes P0339 P0302 misfire on cylinder 2 P303 cylinder 2 misfire P300 random misfire.. New plugs .. replaced crank shaft sensor and 2 and 3 coils 0339 is ...

engine code p303 what is the problem with it ,2007 nissan quest van Cylinder number 3 has to be inspected.The code p303 is indicating to check cylinder number 3.------ The cylinder can be dirty or the