BMW fault code 290A

290A is a fault stored in your BMW's memory (an ISTA fault code, not a standard OBD-II P-code).

What it means:
DME: lambda sensor, bank 1, upstream catalyst: control deviation

Related codes: 293847 · 29CC · 29DC · 29E0 · 29E1 · 29F2 · 29F4 · 29F5

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