P0194

2017-10-10

Description:

  • The fault code P0194 indicates that there is an intermittent issue with the circuit that controls the fuel rail pressure sensor. This may cause the engine to run poorly or not start at all.

Possible Symptoms:

  • Illuminated check engine light

  • Reduced engine power or acceleration

  • Engine runs poorly or not at all

  • Engine hesitation or surging

Possible Causes:

  • Faulty fuel rail pressure sensor

  • Damaged or faulty wiring in the circuit

  • Loose or corroded electrical connections

  • Failed engine control module (ECM)

Related Parts:

  • Fuel Rail Pressure Sensor: Fuel rail pressure sensor measures the fuel pressure in the fuel rail. This car has a problem in its fuel rail which may lead to poor fuel economy & poor acceleration

Possible Solutions:

  • Replace the fuel rail pressure sensor

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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