Fuel pressure solenoid valve, fuel rail (652a), Z19
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Fuel pressure solenoid valve, fuel rail (652a), Z19
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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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1.
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Remove the upper engine cover and insulation.
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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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2.
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Unplug the control valve connector.
Warning
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Diesel under high pressure! So wait a minute after switching off the engine before the boost pressure control valve is removed. Diesel fumes are explosive and can cause severe burn injuries.
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3.
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Remove the solenoid valve by removing the nut nearest the fuel rail.
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1.
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Fit the solenoid valve. Fit the nut.
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2.
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Plug in the control valve connector.
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3.
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Connect an exhaust hose and start the engine to check for leaks.
Connect the diagnostic tool and clear any diagnostic trouble codes.
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4.
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Fit the insulation and upper engine cover.
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