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how to fix P0172 2009 Honda Accord -

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My engine light appear.
visited workshop. After troubleshoot. Print our error code P0172. Fuel system too rich.

Please advice how to fix it.

Thks

Vehicle: 2009 honda accord cu2. 2.4L

1 Answer

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by (13.6k points)
Hi there,

This code is usually generated from a bad O2 sensor. You need a scan tool that can watch the live sensor data, it's not uncommon for the front sensor to cause the issue.

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