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sprinter with the codes of Averia P0109, P0105, P

  • Manual-Mecanica
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9 years 3 months before #50791 by manual-mecanica
I need a solution to these codes, I have changed the sensor and the pressure valve of the other used and it continues to give me the same codes and the engine is traw. I have looked at the continuity of the sensor cables to the unity and all, I have sent me to check the unit and say they are fine. I need someone to throw a cable, I am blocked. thank you

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9 years 3 months before #50794 by manual-mecanica
Hello, the MAP sensor or the empty hose that connects to the damaged stels is also likely to verify the signal of the TPS and the same sensor verify that this is not in the ground in relation to the P0105 code. Also the Vateria Vateria voltage can make this code appear.
P0105 MERCEDES-BENZ Description
The absolute pressure of the multiple (MAP Sensor) provides instantaneous pressure under pressure in the engine control module collector (ECM). The data is used to calculate the air density and determine the engine flow flow rate, which in turn determines the fuel dosage required for optimal combustion. An injection engine can alternately use an air mass flow (Sensor MAF) to detect the intake air flow. In some vehicles the absolute pressure sensor is integrated into ECM.

P0109 Mercedes-Benz Description
The absolute pressure of the multiple (MAP Sensor) provides instantaneous pressure under pressure in the engine control module collector (ECM). The data is used to calculate the air density and determine the engine flow flow rate, which in turn determines the fuel dosage required for optimal combustion. An injection engine can alternately use an air mass flow (Sensor MAF) to detect the intake air flow.
Verify the MAP sensor according to the codes is damaged or harness in short, I hope it serves you.

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9 years 3 months before #50798 by manual-mecanica
I have already changed the MAP sensor, the pressure sensor and the RAID pressure valve and it remains the same

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9 years 3 months before - 9 years 3 months before #50799 by manual-mecanica
The description of all fault codes contain three basic and inescapable reasons, the component, the wiring and the conètica.
It is not a question of changing the component without first controlling the connections and the status of the cables.
You say that you tried the continuity of the cables and okay, but have you controlled the resistance?
If a cable had more than 1 ohms between tips, this makes you vary the signal that circulates by it, remember that if you are talking about a sensor, it generates a variable voltage signal to indicate to the ECU in which the load is the engine is the engine and with the signal received to manage the progress of the time of injection and the opening time of the injectors, therefore if the cable would be resistive signal generating erratic functioning.
Check the resistance wiring, you should mark up to 0.4 ohms if it is normal.
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