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B194F BMW Fault Code

Check B194F OBD Fault Code Reason
Description:

Fuel Rail Pressure Sensor in Range But Low The comprehensive component monitor (CCM) monitors the FRP pressure for acceptable fuel pressure. The test fails when the fuel pressure falls below a calibrated value.

Low fuel pressure Damaged BMW FRP sensor Excessive resistance in circuit Low or no fuel A FRP PID value below 551 kpa (80 psi) indicates a failure Low or no fuel A FRP PID value greater than 896 kpa (130 psi) indicates a failure.

B194F Code Symptoms :

See B194F in engine

There are currently two main types of cylinder deactivation used today, depending on the type of engine. B194F code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Diagnosis And Repairing B194F

B194F OBD 2 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

How to fix B194F code ?

See B194F repair manual
  • 1Camshaft Position Sensor circuit poor electrical connection
  • Clogged or faulty fuel injector (s)
  • Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
  • Exhaust gas leaks

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code B194F, so consult the manual to locate the brake fluid reservoir.

Bear in mind that a low fluid level can set code B194F on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

BMW Cars that meet B194F error