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AUSJEEPOFFROAD.COM Jeep News Australia and New Zealand (https://www.ausjeepoffroad.com/forum/index.php)
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-   -   Jeep 2.7crd not starting (https://www.ausjeepoffroad.com/forum/showthread.php?t=154578)

Tinyprins 27-03-2019 10:29 PM
Quote:
Originally Posted by Adrian D (Post 1647712)
Seems like it fails to get enough pressure for starting.



I did not go through the entire topic but as usual culprits:

- Air in the system

- Injector(s) with high leak-off

- Worn out high-pressure pump

- Internally leaking fuel pressure regulator
Im back to checking air in the system as the pump injectors regulator and sensor are new

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Tinyprins 27-03-2019 10:31 PM
This jeep is standing since august last year the list of parts purchased are endless but still just cranking

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Tinyprins 28-03-2019 03:21 AM
Quote:
Originally Posted by bodgie (Post 1647508)
Try disconnecting the fuel return line from injectors. If the volume of return fuel is high, it will create problems with the fuel pressure regulator which may be what's creating your problem.



Quick and easy test.
You mean i should disconnect it at the rail and plug it

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Tinyprins 30-03-2019 02:11 PM
Whats the best procedure to bleeding the system

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JeanLuke 30-03-2019 09:25 PM
You prime it with a hand vacuum pump (or squeeze bulb) via the priming valve on top of the engine. The system self bleeds from there.

Tinyprins 30-03-2019 09:31 PM
Quote:
Originally Posted by JeanLuke (Post 1647862)
You prime it with a hand vacuum pump (or squeeze bulb) via the priming valve on top of the engine. The system self bleeds from there.
Transparent pipe shows air from the filter ive installed a mann filter new orings and pipes again air stays at the filter

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JeanLuke 30-03-2019 09:39 PM
Try replacing the rubber hoses that join back to the steel on the firewall. You can pick them up for a few bucks from the likes of Repco, Supercheap or Autobarn. They are a common source of air leakage. Others have installed check valves in the suction line before the filter.


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