Pressure sensor, fuel pressure, fuel rail (653), A20NFT/LHU
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Pressure sensor, fuel pressure, fuel rail (653), A20NFT/LHU
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Important
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Be very thorough in terms of cleanliness when working in the fuel system. Malfunctions can also occur due to very small dirt particles. Prevent dirt from entering the fuel system by cleaning the hoses and plugging the pipes and lines upon removal using 93 161 370 Plug set. Store the components so that contaminants cannot enter.
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Important
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Take care when releasing the locking mechanism on the connector so as not to damage the connector. Pull the halves straight apart to avoid bending the pins. For further information regarding connectors, refer to
Connectors, handling and inspection
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Warning
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Removing the fuel pressure sensor involves working with the vehicle fuel system. The following points should therefore be observed in connection with the procedure:
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Ensure good ventilation! If there is approved ventilation for extraction of fuel fumes then this must be used.
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Wear protective gloves! Prolonged exposure of the hands to fuel can cause irritation of the skin.
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Have a fire extinguisher class BE at hand! Be aware of the risk for sparks, i.e. in connection with circuit breaking, short-circuiting, etc.
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Absolutely No Smoking!
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Wear protective glasses.
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1.
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Remove the pressure sensor connector.
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2.
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Remove the pressure sensor (A).
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1.
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Fit the pressure sensor (A).
Tightening torque 33 Nm (25 lb ft)
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Important
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Take care when plugging in the connector so as not to damage or press out the pins/sleeves in the connector. For further information regarding connectors, refer to
Connectors, handling and inspection
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2.
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Fit the pressure sensor connector.
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3.
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Connect an exhaust hose and start the engine to check for leaks.
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4.
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Connect the diagnostic tool and erase any diagnostic trouble codes.
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