P1141: Fuel Restriction Indicator Circuit Malfunction

HighPowertrainEngine/Powertrain

What does P1141 mean?

P1141 is a diagnostic trouble code indicating "Fuel Restriction Indicator Circuit Malfunction". A component in the engine/powertrain has been flagged as malfunctioning by the vehicle's ECU. This requires diagnosis to determine whether the part itself has failed or if there is a related wiring or control issue.

Common causes

  • Faulty engine/powertrain component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

This is a significant issue that should be diagnosed and repaired soon. Avoid long trips or heavy driving until the problem is resolved. Continued driving may cause additional damage.

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Related codes

P1140Water In Fuel Condition
P1142Fuel Restriction Condition
P1139Water In Fuel Indicator Circuit Malfunction
P1143Air Assist Control Valve Range/Performance