P0866 Mazda 323 OBD Code

OBD/2 P0866 error code description and symptoms.

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 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.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

P0866 Mazda 323 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P0866 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If p0866 tcm communication circuit high so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the p0866 tcm communication circuit high.

Common Causes of Mazda 323 P0866 OBD2 Code

A common cause of code P0866 is the failure of P0866 TCM Communication Circuit High, but there are several other possible causes as well, such as ;

Erratic camshaft position due to low oil pressure
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Camshaft Position Sensor harness is open or shorted
Damaged camshaft position (CMP) sensor

P0866 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P0866 Mazda 323 OBD Code

P0866 Mazda 323 Error Code Repair Process :

Common Causes of Mazda 323 P0866 OBD2 Code

P0866 code for other Mazda cars