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Honda
Accord
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0430
Code P0430
2003 HONDA ACCORD
194,645 MILES • 3.0L • V6 • 2WD • AUTOMATIC
JABAFLAB
MEMBER
1 POST
Catalyst system efficiency below threshold bank 2.
How would you start to pin-point this?
Mar 1, 2020 at 2:32 PM
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ASEMASTER6371
✓
Experienced Mechanic
52,796 POSTS
Good morning,
This code indicates a bad catalytic converter. The insides are worn out and it cannot process the gases anymore.
Here are some guides that will help with this.
https://www.2carpros.com/articles/bad-catalytic-converter-symptoms
https://www.2carpros.com/articles/how-to-test-a-catalytic-converter
https://www.2carpros.com/articles/catalytic-converter-replacement
This is a very common issue.
Roy
Images (Click to enlarge)
Mar 1, 2020 at 11:12 PM
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