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Code P0302, check engine light on?

Tiny
NAOMI.
  • MEMBER
  • 2005 HONDA ELEMENT
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 159,000 MILES
How do I find a mechanic who is competent to diagnose and fix this problem? The car is running fine, except maybe a little hesitation/running slightly rough when decelerating to a stop. It has plenty of "pep". Installing new spark plugs did not solve the problem.
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Monday, September 19th, 2022 AT 2:15 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The code P0302 is due to misfire in cylinder two.
It could be simple as a worn spark plug.
It can also be due to a faulty injector or even the ECM.

Here is a helpful guide on how to diagnose engine misfire:

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

As for finding a good mechanic, you will have to just call around a few of the reputable local shops.

I have attached the diagnostic procedure for the code P0302 below for your reference.

Let me know of any questions.
Thank you.
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Monday, September 19th, 2022 AT 8:50 PM

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