P0256Low Severity

Fuel and Air Metering (Injector Circuit) Malfunction (Circuit 0256)

This diagnostic trouble code indicates a malfunction in the associated component circuit.

Common Symptoms of P0256

  • Check Engine Light (CEL) Illumination
  • Potential decrease in fuel and air metering (injector circuit) efficiency
  • Engine performance issues related to circuit 0256
  • Possible stall or rough idle

What Causes the P0256 Code?

  • Faulty sensor or actuator in fuel and air metering (injector circuit)