Fuel pressure control valve, fuel rail (652a), Z19DTH
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Fuel pressure control valve, fuel rail (652a), Z19DTH
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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.
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2.
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Remove the solenoid 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 undoing the nut closest to the fuel rail.
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1.
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Fit the solenoid valve and nut.
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2.
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Plug in the solenoid valve connector.
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3.
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Connect an exhaust hose. Start the engine and check for leaks.
Connect the diagnostic tool and erase any diagnostic trouble codes.
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4.
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Replace the upper engine cover.
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