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P21 — trouble code series

All codes in the P21 series with descriptions and filters.

33,912codes

59brands

11,451generic

22,461specific

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389 records

P21FB Generic

Fuel Control System B Too Rich at Idle Bank 2

P — Powertrain P21 Generic

P21FC Generic

Fuel Control System B Too Lean at Higher Load Bank 1

P — Powertrain P21 Generic

P21FD Generic

Fuel Control System B Too Rich at Higher Load Bank 1

P — Powertrain P21 Generic

P21FE Generic

Fuel Control System B Too Lean at Higher Load Bank 2

P — Powertrain P21 Generic

P21FF Generic

Fuel Control System B Too Rich at Higher Load Bank 2

P — Powertrain P21 Generic