Do you know what these two codes mean, p0171b and p0174b?

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Do you know what these two codes mean, p0171b and p0174b?

1 Answer

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Carguy1 · Answer 1 · 2018-05-06T11:43:08+0000

HI there,

These codes mean there is a lean fuel mixture on both bank 1 and bank 2. This is usually the result of low fuel pressure or a problem with the mass air flow sensor on this model year.

Do you know what these two codes mean, p0171b and p0174b?

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