D5 won't start - Page 2

BobXC · Mar 11th, 2021, 11:28

Hi
I'm new to XC90 ownership and this forum, so please bear with.
Just acquired a non-running 2009 XC90 with D5 grey top engine. The engine fires and runs to about 1200 rpm, then stops after 1-2 seconds. This is consistent behaviour.
I've done the obvious, like renewing the fuel filter, testing injector flowback, checked plenty of fuel is arriving at the injector pump, even replaced the pump with a know good one.
When my VIDA/DICE was running, it showed good consistent fuel pressure up to the point of stopping, when it tailed off. (VIDA has now stopped communicating, so I can't give any fault codes yet until I fix that.)
It looks as though everything is good to go, but once running some parameter must be out of range so the engine control shuts it down.
Can anyone point me to a detailed technical description of the start-up process - i.e. the order things are done and checked? I'd like to understand the process to help with diagnosis and interpreting the fault codes.
Thanks in advance.

Mar 11th, 2021, 11:28	#1
BobXC New Member Last Online: Mar 13th, 2021 09:45 Join Date: Mar 2021 Location: BANBURY	D5 won't start Hi I'm new to XC90 ownership and this forum, so please bear with. Just acquired a non-running 2009 XC90 with D5 grey top engine. The engine fires and runs to about 1200 rpm, then stops after 1-2 seconds. This is consistent behaviour. I've done the obvious, like renewing the fuel filter, testing injector flowback, checked plenty of fuel is arriving at the injector pump, even replaced the pump with a know good one. When my VIDA/DICE was running, it showed good consistent fuel pressure up to the point of stopping, when it tailed off. (VIDA has now stopped communicating, so I can't give any fault codes yet until I fix that.) It looks as though everything is good to go, but once running some parameter must be out of range so the engine control shuts it down. Can anyone point me to a detailed technical description of the start-up process - i.e. the order things are done and checked? I'd like to understand the process to help with diagnosis and interpreting the fault codes. Thanks in advance.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)