MechanicDB
Família de falhas Sistema: Powertrain (códigos P) 40 códigos SAE

Air Fuel Ratio Imbalance

Explicação diagnóstica e técnica
Code P219A (Bank 1 Air-Fuel Ratio Imbalance) sets when the ECM's individual-cylinder fuel monitor detects one cylinder or bank running consistently richer or leaner than the others, using crankshaft speed fluctuation and oxygen sensor data to isolate it — on some systems the code also notes the per-cylinder trim has hit its adjustment limit. A fouled or restricted fuel injector on the flagged cylinder is the classic cause, followed by an intake gasket vacuum leak feeding one runner, a weak ignition component on that cylinder, and low compression from a worn valve or ring.

Estes 40 códigos de diagnóstico compartilham um mesmo mecanismo de detecção e um mesmo caminho de reparo; por isso o MechanicDB os agrupa em uma única família de falhas redigida, em vez de repetir a mesma explicação 40 vezes.

Códigos desta família (40)

CódigoDefiniçãoCobertura de reparos
P219ABank 1 Air-Fuel Ratio Imbalance4 reparos classificados
P219BBank 2 Air-Fuel Ratio Imbalance4 reparos classificados
P219CCylinder 1 Air-Fuel Ratio Imbalance4 reparos classificados
P219DCylinder 2 Air-Fuel Ratio Imbalance4 reparos classificados
P219ECylinder 3 Air-Fuel Ratio Imbalance4 reparos classificados
P219FCylinder 4 Air-Fuel Ratio Imbalance4 reparos classificados
P21A0Cylinder 5 Air-Fuel Ratio Imbalance4 reparos classificados
P21A1Cylinder 6 Air-Fuel Ratio Imbalance4 reparos classificados
P21A2Cylinder 7 Air-Fuel Ratio Imbalance4 reparos classificados
P21A3Cylinder 8 Air-Fuel Ratio Imbalance4 reparos classificados
P21A4Cylinder 9 Air-Fuel Ratio Imbalance4 reparos classificados
P21A5Cylinder 10 Air-Fuel Ratio Imbalance4 reparos classificados
P21A6Cylinder 11 Air-Fuel Ratio Imbalance4 reparos classificados
P21A7Cylinder 12 Air-Fuel Ratio Imbalance4 reparos classificados
P230ACylinder 1 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P230BCylinder 2 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P230CCylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P230DCylinder 4 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P230ECylinder 5 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P230FCylinder 6 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P231ACylinder 7 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P231BCylinder 8 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P231CCylinder 9 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P231DCylinder 10 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P231ECylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P231FCylinder 12 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance4 reparos classificados
P23F2Cylinder 1 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23F3Cylinder 2 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23F4Cylinder 3 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23F5Cylinder 4 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23F6Cylinder 5 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23F7Cylinder 6 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23F8Cylinder 7 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23F9Cylinder 8 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23FACylinder 9 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23FBCylinder 10 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23FCCylinder 11 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23FDCylinder 12 Injector B Air-Fuel Ratio Imbalance4 reparos classificados
P23FEBank 1 System B Air-Fuel Ratio Imbalance4 reparos classificados
P23FFBank 2 System B Air-Fuel Ratio Imbalance4 reparos classificados

O que esta página não mostra

Esta página publica o mecanismo da falha e o índice de códigos. O conjunto de dados licenciado acrescenta, para cada um dos 15.886 códigos, o conjunto completo de reparos elaborados pela equipe (56.729 procedimentos no total), com os campos deliberadamente omitidos aqui: