P2188 — System Too Rich at Idle (Bank 1)

Powertrain (engine/transmission)

System Too Rich at Idle (Bank 1)

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Can I drive with P2188?

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

Frequently asked questions

What does fault code P2188 mean?

P2188 means System Too Rich at Idle (Bank 1).

Can I keep driving with P2188?

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

Related fault codes

• P2180 — System Too Rich Off Idle (Bank 2)
• P2181 — Cooling System Performance
• P2182 — Engine Coolant Temperature Sensor 2 Circuit
• P2183 — Engine Coolant Temperature Sensor 2 Circuit Range/Performance
• P2184 — Engine Coolant Temperature Sensor 2 Circuit Low
• P2185 — Engine Coolant Temperature Sensor 2 Circuit High
• P2186 — Engine Coolant Temperature Sensor 2 Circuit Intermittent/Erratic
• P2187 — System Too Lean at Idle (Bank 1)
• P2189 — System Too Lean at Idle (Bank 2)

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