C1794 Trouble Code

View C1794 obd/2 error code description and symptoms. C1794 engine photo

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

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.

Difficulty Level (Soso)
Level
Repair Time (30 Min.)
Time
Cost Prediction : $ 25-45

C1794 Error Code Repair Process :

For injection pump fuel metering control b malfunction (cam/rotor/injector) check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. C1794 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks injection pump fuel metering control b malfunction (cam/rotor/injector) with your car's computers to find out exactly what's prompting the light to turn on.

Wrench Tool C1794 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C1794

A common cause of code C1794 is the failure of Injection Pump Fuel Metering Control B Malfunction (Cam/Rotor/Injector), but there are several other possible causes as well, such as ;

C1794 code for all cars

You can view according C1794 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C1794 Mazda Chante +C1794 Citroen Osee +C1794 Chrysler Concorde +C1794 Bmw Concept +C1794 Nissan Crew

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