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Thread: Low common rail pressure!

  1. #1
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    Default Low common rail pressure!

    High everyone. I have this problem since Saturday. I have Vectra1.9CDTI 120BHP which suddenly started to rev it-self, however I managed to switch the engine off. Now it only cranks but does start. There is diesel getting to injectors but no ignition. I checked on diagnostics and I there is low common rail pressure. Demanded is 50MPa and while cranking it's showing 5MPa.

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    If an injector is faulty it will drop fuel into the cylinder and rev its self.

    Check the injectors (leak back test) to find what ones gone faulty.

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