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Nairaland Forum / Nairaland / General / Car Talk / Error Code P0303 Persist? How Do I Solve This (1745 Views)
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Error Code P0303 Persist? How Do I Solve This by GreenWorld: 2:30am On Jan 29, 2020 |
My car is misfiring and scan result brought out error code P0303, bad plug detected and changed and coil checked and it is ok, but error code still persist. Gurus in the house, please how do I solve this problem? Will appreciate all advice. Thank you |
Re: Error Code P0303 Persist? How Do I Solve This by empron(m): 4:52am On Jan 29, 2020 |
Look for a good workshop with compression tester,let them check the compression on each cylinder and compare the psi. |
Re: Error Code P0303 Persist? How Do I Solve This by 9icetoo(m): 5:28am On Jan 29, 2020 |
GreenWorld:Which car is this? A friend had a similar problem. Changed coil and the code returned. Solution was to flush the injectors, wash the fuel pump filter. And code went away. Coil wasn't changed again. The cause was fuel starvation to cylinder number 3. Might be your problem since you have changed coil already. 2 Likes |
Re: Error Code P0303 Persist? How Do I Solve This by nakoks(m): 5:42am On Jan 29, 2020 |
GreenWorld:Change fuel filter 1 Like |
Re: Error Code P0303 Persist? How Do I Solve This by GreenWorld: 1:25am On Jan 30, 2020 |
nakoks: Thank you |
Re: Error Code P0303 Persist? How Do I Solve This by GreenWorld: 1:26am On Jan 30, 2020 |
9icetoo: Thank you. Done but error code still persist |
Re: Error Code P0303 Persist? How Do I Solve This by 9icetoo(m): 9:45am On Jan 30, 2020 |
GreenWorld:Hmmmm. So you've replaced coil and serviced the fuel supply and yet it persists. Swap coil and injector on that cylinder with those on another cylinder. Swap plugs too. Clear the codes. If it comes back to that same cylinder, then you have an internal problem. If the code moves to the new cylinder you transferred the coil, plug and injector to, then one of those items is the culprit. That's all I can think of for now. other people might have better solutions. However this solution, or rather diagnostic check is not invasive and can be performed by you or your mechanic at little or not cost which is why I recommend it. Keep us posted. 1 Like |
Re: Error Code P0303 Persist? How Do I Solve This by seanfer(m): 6:37am On Feb 03, 2020 |
9icetoo: Hello Boss. Please what can make fuel gauge to be giving wrong reading. Sometimes when I have more than half tank fuel, and drive for some minutes the gauge will show that I am having 1/4 tank. If I park for some time and start driving again it will go back to the normal gauge of 1/2 tank. Please what can be the cause so that I can tell my Mechanic what to do. Car is 06 Camry. |
Re: Error Code P0303 Persist? How Do I Solve This by ksmart027(m): 6:52am On Feb 03, 2020 |
seanfer:You have a faulty fuel guage sender. 1 Like |
Re: Error Code P0303 Persist? How Do I Solve This by seanfer(m): 7:27am On Feb 03, 2020 |
ksmart027: Does that mean the fuel pump will be changed? |
Re: Error Code P0303 Persist? How Do I Solve This by ksmart027(m): 8:25am On Feb 03, 2020 |
seanfer:No, the fuel sender is inside the tank and it is different from fuel pump. |
Re: Error Code P0303 Persist? How Do I Solve This by alaricsaltzman: 5:04pm On Jun 16, 2023 |
GreenWorld:Also had this issue. Serviced fuel injectors. So far, so good. |
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