P219B — Cylinder-to-cylinder air-fuel ratio imbalance (bank 2)

Code P219B is a standard OBD-II diagnostic trouble code: Cylinder-to-cylinder air-fuel ratio imbalance (bank 2).

In our record, P219B is reported most often on Honda and Chevrolet vehicles , against engine and fuel system failure patterns , across 2017–2020 model years. Honda alone accounts for 80% of them.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite P219B across 5 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report P219B 5 patterns

2020 Honda Pilot

engine — Power Loss/Hesitation During Acceleration

2020 Honda Pilot

fuel system — Fuel pump failure causing stalling and loss of motive power

2019 Honda Pilot

fuel system — High-pressure fuel pump (HPFP) failure—stalling and loss of power

2019 Honda Odyssey

engine — Fuel Injector Failure

2017 Chevrolet Silverado

engine — AFM/DFM Lifter Collapse

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →