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OBD CODES

CAR OBD CODES



OBD/DTC Search, e.g.P0192

CAR OBD CODES P0192

P0192 OBD Code Definition:
P0192 Fuel Rail Pressure Sensor Circuit Low Input
P0192 OBD Code Description:

OBD Code P0192

Fuel Rail Pressure Sensor Circuit Low

What’s mean?

OBD2 Code P0192 Definition:
The Fuel Rail Pressure (FRP) sensor is a diaphragm strain gauge device in which resistance changes with pressure. The electrical resistance of a strain gauge increases as pressure increases, and the resistance decreases as the pressure decreases. The varying resistance affects the voltage drop across the sensor terminals and provides electrical signal to the Powertrain Control Module (PCM) corresponding to pressure. Strain gauge type sensors are consider passive sensors. A passive sensor is connected to a voltage divider network so that varying the resistance of the passive sensor causes a variation in total current flow. Voltage that is dropped across a fixed resistor in series with the sensor resistor determines the voltage signal at the PCM. This voltage signal is equal to the reference voltage minus the voltage drop across the fixed resistor. The FRP sensor measures the pressure of the fuel near the fuel injectors. This signal is used by the PCM to adjust the fuel injector pulse width and meter fuel to each combustion cylinder. Symptoms

Possible sumptoms of P0192
– Engine Light ON (or Service Engine Soon Warning Light) – Engine will not start Possible Causes

Possible causes of P0192
– Excessive resistance in the circuit – Low or no fuel – Wiring harness connector of the fuel pressure sensor – Fuel Rail Pressure Sensor – Fuel Pump Possible Solutions


Note: The information on the P0192 error code is purely informative, if you need more useful information, please consult your technician.

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