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P Codes (Powertrain)
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Code PO301 misfire
JJP1062
MEMBER
2014 HONDA CIVIC
4 CYL
2WD
96,000 MILES
I replaced the coil and plug in cylinder one and still throws same code. What else could it be? No other codes present only po301.
Thanks!
Tuesday, April 26th, 2022 AT 7:53 AM
3 Replies
JACOBANDNICKOLAS
MECHANIC
109,645 POSTS
Hi,
The misfire, if it is only cylinder 1 can be caused by an injector issue, compression issue, or the new coil/plug isn't being fired.
Do me a favor. Follow the directions in this link and let me know if you are getting spark at the number 1 spark plug:
https://www.2carpros.com/articles/how-to-check-for-ignition-spark
Let me know what you find.
Joe
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Tuesday, April 26th, 2022 AT 2:06 PM
JJP1062
MEMBER
17 POSTS
Thank you! Faulty Injector. Solved
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Tuesday, April 26th, 2022 AT 2:31 PM
JACOBANDNICKOLAS
MECHANIC
109,645 POSTS
Hi,
You are very welcome. I'm glad to know you found the issue.
Please feel free to come back anytime in the future. You are always welcome here.
Take care,
Joe
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Tuesday, April 26th, 2022 AT 5:59 PM
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