P0172 — System Too Rich (Bank 1)

Powertrain (engine/transmission)

System Too Rich (Bank 1)

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Can I drive with P0172?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P0172 mean?

P0172 means System Too Rich (Bank 1).

Can I keep driving with P0172?

You can usually drive home and book an inspection within a few days.

Related fault codes

• P0170 — Fuel Trim Malfunction (Bank 1)
• P0171 — System Too Lean (Bank 1)
• P0173 — Fuel Trim Malfunction (Bank 2)
• P0174 — System Too Lean (Bank 2)
• P0175 — System Too Rich (Bank 2)

Get a full diagnosis for P0172 with AutoUncover.