Cylinder one misfire

Tiny
PACHYAUTO63
  • MEMBER
  • 2011 KIA RIO
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 13,000 MILES
Changed coil and plugs, but still misfire on one. This vehicle is GDI.
Wednesday, February 20th, 2019 AT 7:02 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This could be a fuel injector problem with number one cylinder injector. I have included for you in the diagrams below a step by step troubleshooting guide for Direct Trouble Code(DTC) P0301. Please go through it and let us know what you find out. I also have included a link on how to get DTCs from your vehicles Power-train Control Module (PCM), AKA, the "computer", as well as resetting it.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Thank you,
Alex
2CarPros
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Wednesday, February 20th, 2019 AT 11:05 AM

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