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when i scann my car the code is P0172(system too rich bank1),please can you help me.

Vehicle: 2004,HONDA ELEMENT
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1 Answer

HI there,

This code usually indicates a possible issue with the bank 1 front O2 sensor, a leaking fuel injector or to much fuel not being burned. This can happen with old or worn out spark plugs as well.
answered by (8.9k points)

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