I have code of PO303. I replace the ignition coil, wires plugs fuel filter fuel regulator and the fuel injector. ND I still have this code. Can anyone tell me what other things can I do to get rid of this dang code. Oh and I done a fuel pressure test and that is all good. Getting spark aswell check for that aswell.
PO303
- Thread starter dragonstone20042004@yahoo
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P303 code is a Cylinder 3 Misfire. Take a wire that you know works and swap it with this one on Cyl 3, If the code changes to the cylinder you swapped it with then the wire is the issue. If the code remains the same, swap the plugs between the same two cylinders and see if it changes.
Other than the code that is popping up, does the engine run like crap or have a miss or anything?
Other than the code that is popping up, does the engine run like crap or have a miss or anything?
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