P2190: The fuel and air mixture is too rich at idle on bank 2
The fuel and air mixture is too rich at idle on bank 2.
| Code | P2190 |
|---|---|
| System | Engine and transmission |
| Group | P21xx, Throttle, injection and emissions |
| Type | Generic: it means the same on every make |
How to read and clear P2190 with Final OBD
Plug an OBD2 scanner in under the steering wheel, switch the ignition on and open Final OBD. Under Faults you’ll see P2190 with its description and whether it’s confirmed, pending or permanent.
If the engine stores it over standard OBD, with FREE you read this code with its explanation for nothing and clear it. With PRO you also read the faults of every control unit and clear them in all of them.
Clearing the code only turns the light off: if the cause is still there, it comes back. Clear it once it’s fixed, and not right before an inspection. It’s all in how to read and clear fault codes and in inspections and OBD.
Similar codes
- P218C Throttle or fuel inhibit circuit B operates out of range or performs incorrectly
- P218D The throttle or fuel inhibit circuit B signal is low
- P218E The throttle or fuel inhibit circuit B signal is high
- P218F The engine warning lamp is illuminated
- P2191 Mixture too lean at higher load (bank 1)
- P2192 The mixture on bank 1 is too rich when the engine is under high load
- P2193 The mixture on bank 2 is too lean when the engine is under high load
- P2194 The mixture on bank 2 is too rich when the engine is under high load
- P2100 Throttle actuator A control motor circuit open
- P2101 Throttle actuator A control motor circuit range or performance
- P2102 Throttle actuator A control motor circuit low
- P2104 Throttle control system: forced idle
What does code P2190 mean?
The fuel and air mixture is too rich at idle on bank 2.
How do you clear P2190?
With an OBD2 scanner and an app like Final OBD, which clears it for free if it’s stored by the engine control unit. But clearing it only turns the light off: if the cause isn’t fixed, P2190 comes back.
Read it on your car
Final OBD reads and clears engine faults through standard OBD for free, each one explained in plain English. With PRO it also reads the faults of every control unit, each make’s own codes included, and clears them in all of them.
