P2177 — System Too Lean Off Idle (Bank 1)

Powertrain (engine/transmission)

System Too Lean Off Idle (Bank 1)

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Can I drive with P2177?

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

Frequently asked questions

What does fault code P2177 mean?

P2177 means System Too Lean Off Idle (Bank 1).

Can I keep driving with P2177?

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

Related fault codes

• P2170 — Exhaust Pressure Regulator Vent Solenoid Control Circuit Low
• P2171 — Exhaust Pressure Regulator Vent Solenoid Control Circuit High
• P2172 — Throttle Actuator Control System - Sudden High Airflow Detected
• P2173 — Throttle Actuator Control System - High Airflow Detected
• P2174 — Throttle Actuator Control System - Sudden Low Airflow Detected
• P2175 — Throttle Actuator Control System - Low Airflow Detected
• P2176 — Throttle Actuator Control System - Idle Position Not Learned
• P2178 — System Too Rich Off Idle (Bank 1)
• P2179 — System Too Lean Off Idle (Bank 2)

Get a full diagnosis for P2177 with AutoUncover.