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Discussion Starter #1
Hi guys I have a bmw e39 530d ,(short history of the car) firstly it had an internal leak on the block so I bought a new block installed everything correctly,then when we wanted to start the car it gave error codes (fuel rail pressure low) the mechanic suggested the pressure pump was bad .Bought a new 1 they installed it and still doesn't want to start,but when they spray that quick start it does start ,please assist .

Thank you


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Are the injectors ok.
I got low rail pressure on startup fault when i had leaking injectors.
 

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Discussion Starter #3
The problem is there is not enough pressure on the common rail for it to open injectors
 
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