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Ron
Ron, ASE Certified Technician
Category: Honda
Satisfied Customers: 33454
Experience:  ASE Certified Tech 34 years.
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2003 Honda Accord v6 p0300 all the cylinders are misfired

Customer Question

2003 Honda Accord v6 p0300 all the cylinders are misfired 1-6
Submitted: 15 days ago.
Category: Honda
Expert:  Ron replied 15 days ago.

Hello. My name is ***** ***** I am happy to assist you today. Give me just a moment to review your post, and I'll be right back with the help you need.

Expert:  Ron replied 15 days ago.

Is the engine actually misfiring?

Customer: replied 15 days ago.
Expert:  Ron replied 15 days ago.

Honda has released a service bulletin dealing with this type of misfire that calls for reprogramming the PCM (computer) . I have enclosed the bulletin in the link below. Have a look at it as it very likely may be the cause of the problem you are having.

https://dl.dropboxusercontent.com/u/104923897/Honda%20Update%20Nov%2022.pdf